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Finding the Fourth Proportional to 492,164.40, 738,246.60 and 332,732.10

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Solution

The fourth proportional to 492,164.40, 738,246.60 and 332,732.10 is: 499,098.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,164.40 : 738,246.60 = 332,732.10 : x
  2. Step 2: Convert to fraction form
    492,164.40/738,246.60 = 332,732.10/x
  3. Step 3: Cross multiply
    492,164.40x = 738,246.60 × 332,732.10
  4. Step 4: Simplify right side
    492,164.40x = 245,638,341,535.86
  5. Step 5: Solve for x
    x = 245,638,341,535.86/492,164.40
  6. Step 6: Final answer
    x = 499,098.15

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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.