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Finding the Fourth Proportional to 377,951.76, 521,374.86 and 224,881.20

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Solution

The fourth proportional to 377,951.76, 521,374.86 and 224,881.20 is: 310,217.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,951.76 : 521,374.86 = 224,881.20 : x
  2. Step 2: Convert to fraction form
    377,951.76/521,374.86 = 224,881.20/x
  3. Step 3: Cross multiply
    377,951.76x = 521,374.86 × 224,881.20
  4. Step 4: Simplify right side
    377,951.76x = 117,247,404,166.63
  5. Step 5: Solve for x
    x = 117,247,404,166.63/377,951.76
  6. Step 6: Final answer
    x = 310,217.91

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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.