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Finding the Fourth Proportional to 224,730.96, 310,123.28 and 129,235.56

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Solution

The fourth proportional to 224,730.96, 310,123.28 and 129,235.56 is: 178,341.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,730.96 : 310,123.28 = 129,235.56 : x
  2. Step 2: Convert to fraction form
    224,730.96/310,123.28 = 129,235.56/x
  3. Step 3: Cross multiply
    224,730.96x = 310,123.28 × 129,235.56
  4. Step 4: Simplify right side
    224,730.96x = 40,078,955,759.84
  5. Step 5: Solve for x
    x = 40,078,955,759.84/224,730.96
  6. Step 6: Final answer
    x = 178,341.94

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1.5x scale

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.