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Finding the Fourth Proportional to 308,735.64, 462,837.24 and 119,328.90

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Solution

The fourth proportional to 308,735.64, 462,837.24 and 119,328.90 is: 178,890.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,735.64 : 462,837.24 = 119,328.90 : x
  2. Step 2: Convert to fraction form
    308,735.64/462,837.24 = 119,328.90/x
  3. Step 3: Cross multiply
    308,735.64x = 462,837.24 × 119,328.90
  4. Step 4: Simplify right side
    308,735.64x = 55,229,858,728.24
  5. Step 5: Solve for x
    x = 55,229,858,728.24/308,735.64
  6. Step 6: Final answer
    x = 178,890.45

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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.