Home / 377,738.83-521,278.61-207,972.95

Finding the Fourth Proportional to 377,738.83, 521,278.61 and 207,972.95

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Solution

The fourth proportional to 377,738.83, 521,278.61 and 207,972.95 is: 287,002.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,738.83 : 521,278.61 = 207,972.95 : x
  2. Step 2: Convert to fraction form
    377,738.83/521,278.61 = 207,972.95/x
  3. Step 3: Cross multiply
    377,738.83x = 521,278.61 × 207,972.95
  4. Step 4: Simplify right side
    377,738.83x = 108,411,849,253.74
  5. Step 5: Solve for x
    x = 108,411,849,253.74/377,738.83
  6. Step 6: Final answer
    x = 287,002.14

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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.