Home / 386,965.80-580,672.92-162,306.24

Finding the Fourth Proportional to 386,965.80, 580,672.92 and 162,306.24

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Solution

The fourth proportional to 386,965.80, 580,672.92 and 162,306.24 is: 243,553.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,965.80 : 580,672.92 = 162,306.24 : x
  2. Step 2: Convert to fraction form
    386,965.80/580,672.92 = 162,306.24/x
  3. Step 3: Cross multiply
    386,965.80x = 580,672.92 × 162,306.24
  4. Step 4: Simplify right side
    386,965.80x = 94,246,838,315.02
  5. Step 5: Solve for x
    x = 94,246,838,315.02/386,965.80
  6. Step 6: Final answer
    x = 243,553.41

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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.