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Finding the Fourth Proportional to 377,569.71, 521,046.19 and 207,803.83

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Solution

The fourth proportional to 377,569.71, 521,046.19 and 207,803.83 is: 286,769.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,569.71 : 521,046.19 = 207,803.83 : x
  2. Step 2: Convert to fraction form
    377,569.71/521,046.19 = 207,803.83/x
  3. Step 3: Cross multiply
    377,569.71x = 521,046.19 × 207,803.83
  4. Step 4: Simplify right side
    377,569.71x = 108,275,393,888.91
  5. Step 5: Solve for x
    x = 108,275,393,888.91/377,569.71
  6. Step 6: Final answer
    x = 286,769.28

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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.