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Finding the Fourth Proportional to 498,549.60, 747,314.10 and 245,440.80

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Solution

The fourth proportional to 498,549.60, 747,314.10 and 245,440.80 is: 367,909.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,549.60 : 747,314.10 = 245,440.80 : x
  2. Step 2: Convert to fraction form
    498,549.60/747,314.10 = 245,440.80/x
  3. Step 3: Cross multiply
    498,549.60x = 747,314.10 × 245,440.80
  4. Step 4: Simplify right side
    498,549.60x = 183,421,370,555.28
  5. Step 5: Solve for x
    x = 183,421,370,555.28/498,549.60
  6. Step 6: Final answer
    x = 367,909.97

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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.