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Finding the Fourth Proportional to 498,207.60, 747,311.40 and 245,536.20

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Solution

The fourth proportional to 498,207.60, 747,311.40 and 245,536.20 is: 368,304.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,207.60 : 747,311.40 = 245,536.20 : x
  2. Step 2: Convert to fraction form
    498,207.60/747,311.40 = 245,536.20/x
  3. Step 3: Cross multiply
    498,207.60x = 747,311.40 × 245,536.20
  4. Step 4: Simplify right side
    498,207.60x = 183,492,001,372.68
  5. Step 5: Solve for x
    x = 183,492,001,372.68/498,207.60
  6. Step 6: Final answer
    x = 368,304.30

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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.