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Finding the Fourth Proportional to 377,476.97, 520,719.68 and 224,406.27

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Solution

The fourth proportional to 377,476.97, 520,719.68 and 224,406.27 is: 309,562.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,476.97 : 520,719.68 = 224,406.27 : x
  2. Step 2: Convert to fraction form
    377,476.97/520,719.68 = 224,406.27/x
  3. Step 3: Cross multiply
    377,476.97x = 520,719.68 × 224,406.27
  4. Step 4: Simplify right side
    377,476.97x = 116,852,761,665.41
  5. Step 5: Solve for x
    x = 116,852,761,665.41/377,476.97
  6. Step 6: Final answer
    x = 309,562.63

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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.