Home / 284,517.20-392,645.14-163,658.46

Finding the Fourth Proportional to 284,517.20, 392,645.14 and 163,658.46

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Solution

The fourth proportional to 284,517.20, 392,645.14 and 163,658.46 is: 225,855.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,517.20 : 392,645.14 = 163,658.46 : x
  2. Step 2: Convert to fraction form
    284,517.20/392,645.14 = 163,658.46/x
  3. Step 3: Cross multiply
    284,517.20x = 392,645.14 × 163,658.46
  4. Step 4: Simplify right side
    284,517.20x = 64,259,698,938.88
  5. Step 5: Solve for x
    x = 64,259,698,938.88/284,517.20
  6. Step 6: Final answer
    x = 225,855.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.