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Finding the Fourth Proportional to 383,693.67, 575,593.02 and 130,906.29

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Solution

The fourth proportional to 383,693.67, 575,593.02 and 130,906.29 is: 196,377.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,693.67 : 575,593.02 = 130,906.29 : x
  2. Step 2: Convert to fraction form
    383,693.67/575,593.02 = 130,906.29/x
  3. Step 3: Cross multiply
    383,693.67x = 575,593.02 × 130,906.29
  4. Step 4: Simplify right side
    383,693.67x = 75,348,746,798.10
  5. Step 5: Solve for x
    x = 75,348,746,798.10/383,693.67
  6. Step 6: Final answer
    x = 196,377.35

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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.