Home / 498,635.60-747,934.20-166,211.60

Finding the Fourth Proportional to 498,635.60, 747,934.20 and 166,211.60

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Solution

The fourth proportional to 498,635.60, 747,934.20 and 166,211.60 is: 249,311.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,635.60 : 747,934.20 = 166,211.60 : x
  2. Step 2: Convert to fraction form
    498,635.60/747,934.20 = 166,211.60/x
  3. Step 3: Cross multiply
    498,635.60x = 747,934.20 × 166,211.60
  4. Step 4: Simplify right side
    498,635.60x = 124,315,340,076.72
  5. Step 5: Solve for x
    x = 124,315,340,076.72/498,635.60
  6. Step 6: Final answer
    x = 249,311.00

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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.