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Finding the Fourth Proportional to 332,680.42, 499,068.80 and 104,898.72

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Solution

The fourth proportional to 332,680.42, 499,068.80 and 104,898.72 is: 157,363.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,680.42 : 499,068.80 = 104,898.72 : x
  2. Step 2: Convert to fraction form
    332,680.42/499,068.80 = 104,898.72/x
  3. Step 3: Cross multiply
    332,680.42x = 499,068.80 × 104,898.72
  4. Step 4: Simplify right side
    332,680.42x = 52,351,680,954.27
  5. Step 5: Solve for x
    x = 52,351,680,954.27/332,680.42
  6. Step 6: Final answer
    x = 157,363.28

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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.