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Finding the Fourth Proportional to 373,834.68, 557,891.20 and 333,943.80

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Solution

The fourth proportional to 373,834.68, 557,891.20 and 333,943.80 is: 498,360.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,834.68 : 557,891.20 = 333,943.80 : x
  2. Step 2: Convert to fraction form
    373,834.68/557,891.20 = 333,943.80/x
  3. Step 3: Cross multiply
    373,834.68x = 557,891.20 × 333,943.80
  4. Step 4: Simplify right side
    373,834.68x = 186,304,307,314.56
  5. Step 5: Solve for x
    x = 186,304,307,314.56/373,834.68
  6. Step 6: Final answer
    x = 498,360.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.