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Finding the Fourth Proportional to 629,099.60, 868,182.03 and 357,192.83

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Solution

The fourth proportional to 629,099.60, 868,182.03 and 357,192.83 is: 492,940.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,099.60 : 868,182.03 = 357,192.83 : x
  2. Step 2: Convert to fraction form
    629,099.60/868,182.03 = 357,192.83/x
  3. Step 3: Cross multiply
    629,099.60x = 868,182.03 × 357,192.83
  4. Step 4: Simplify right side
    629,099.60x = 310,108,391,909.94
  5. Step 5: Solve for x
    x = 310,108,391,909.94/629,099.60
  6. Step 6: Final answer
    x = 492,940.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.