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Finding the Fourth Proportional to 224,341.59, 336,439.58 and 74,541.65

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Solution

The fourth proportional to 224,341.59, 336,439.58 and 74,541.65 is: 111,788.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,341.59 : 336,439.58 = 74,541.65 : x
  2. Step 2: Convert to fraction form
    224,341.59/336,439.58 = 74,541.65/x
  3. Step 3: Cross multiply
    224,341.59x = 336,439.58 × 74,541.65
  4. Step 4: Simplify right side
    224,341.59x = 25,078,761,886.90
  5. Step 5: Solve for x
    x = 25,078,761,886.90/224,341.59
  6. Step 6: Final answer
    x = 111,788.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.