Home / 262,248.20-393,372.30-72,708.20

Finding the Fourth Proportional to 262,248.20, 393,372.30 and 72,708.20

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Solution

The fourth proportional to 262,248.20, 393,372.30 and 72,708.20 is: 109,062.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,248.20 : 393,372.30 = 72,708.20 : x
  2. Step 2: Convert to fraction form
    262,248.20/393,372.30 = 72,708.20/x
  3. Step 3: Cross multiply
    262,248.20x = 393,372.30 × 72,708.20
  4. Step 4: Simplify right side
    262,248.20x = 28,601,391,862.86
  5. Step 5: Solve for x
    x = 28,601,391,862.86/262,248.20
  6. Step 6: Final answer
    x = 109,062.30

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1.5x scale

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.