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Finding the Fourth Proportional to 665,376.30, 998,064.45 and 244,816.20

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Solution

The fourth proportional to 665,376.30, 998,064.45 and 244,816.20 is: 367,224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,376.30 : 998,064.45 = 244,816.20 : x
  2. Step 2: Convert to fraction form
    665,376.30/998,064.45 = 244,816.20/x
  3. Step 3: Cross multiply
    665,376.30x = 998,064.45 × 244,816.20
  4. Step 4: Simplify right side
    665,376.30x = 244,342,346,004.09
  5. Step 5: Solve for x
    x = 244,342,346,004.09/665,376.30
  6. Step 6: Final answer
    x = 367,224.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.