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Finding the Fourth Proportional to 145,805.05, 218,707.58 and 34,997.05

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Solution

The fourth proportional to 145,805.05, 218,707.58 and 34,997.05 is: 52,495.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,805.05 : 218,707.58 = 34,997.05 : x
  2. Step 2: Convert to fraction form
    145,805.05/218,707.58 = 34,997.05/x
  3. Step 3: Cross multiply
    145,805.05x = 218,707.58 × 34,997.05
  4. Step 4: Simplify right side
    145,805.05x = 7,654,118,844.12
  5. Step 5: Solve for x
    x = 7,654,118,844.12/145,805.05
  6. Step 6: Final answer
    x = 52,495.57

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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.