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Finding the Fourth Proportional to 492,301.60, 738,452.40 and 268,352.80

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Solution

The fourth proportional to 492,301.60, 738,452.40 and 268,352.80 is: 402,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,301.60 : 738,452.40 = 268,352.80 : x
  2. Step 2: Convert to fraction form
    492,301.60/738,452.40 = 268,352.80/x
  3. Step 3: Cross multiply
    492,301.60x = 738,452.40 × 268,352.80
  4. Step 4: Simplify right side
    492,301.60x = 198,165,769,206.72
  5. Step 5: Solve for x
    x = 198,165,769,206.72/492,301.60
  6. Step 6: Final answer
    x = 402,529.20

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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.