Home / 498,637.60-747,937.20-166,213.60

Finding the Fourth Proportional to 498,637.60, 747,937.20 and 166,213.60

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Solution

The fourth proportional to 498,637.60, 747,937.20 and 166,213.60 is: 249,314.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,637.60 : 747,937.20 = 166,213.60 : x
  2. Step 2: Convert to fraction form
    498,637.60/747,937.20 = 166,213.60/x
  3. Step 3: Cross multiply
    498,637.60x = 747,937.20 × 166,213.60
  4. Step 4: Simplify right side
    498,637.60x = 124,317,334,585.92
  5. Step 5: Solve for x
    x = 124,317,334,585.92/498,637.60
  6. Step 6: Final answer
    x = 249,314.00

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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.