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Finding the Fourth Proportional to 392,480.10, 588,720.15 and 235,016.10

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Solution

The fourth proportional to 392,480.10, 588,720.15 and 235,016.10 is: 352,524.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,480.10 : 588,720.15 = 235,016.10 : x
  2. Step 2: Convert to fraction form
    392,480.10/588,720.15 = 235,016.10/x
  3. Step 3: Cross multiply
    392,480.10x = 588,720.15 × 235,016.10
  4. Step 4: Simplify right side
    392,480.10x = 138,358,713,644.42
  5. Step 5: Solve for x
    x = 138,358,713,644.42/392,480.10
  6. Step 6: Final answer
    x = 352,524.15

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