Home / 284,279.50-392,305.61-163,444.42

Finding the Fourth Proportional to 284,279.50, 392,305.61 and 163,444.42

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Solution

The fourth proportional to 284,279.50, 392,305.61 and 163,444.42 is: 225,553.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,279.50 : 392,305.61 = 163,444.42 : x
  2. Step 2: Convert to fraction form
    284,279.50/392,305.61 = 163,444.42/x
  3. Step 3: Cross multiply
    284,279.50x = 392,305.61 × 163,444.42
  4. Step 4: Simplify right side
    284,279.50x = 64,120,160,110.45
  5. Step 5: Solve for x
    x = 64,120,160,110.45/284,279.50
  6. Step 6: Final answer
    x = 225,553.24

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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.