Home / 285,625.32-393,708.24-225,098.88

Finding the Fourth Proportional to 285,625.32, 393,708.24 and 225,098.88

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Solution

The fourth proportional to 285,625.32, 393,708.24 and 225,098.88 is: 310,278.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,625.32 : 393,708.24 = 225,098.88 : x
  2. Step 2: Convert to fraction form
    285,625.32/393,708.24 = 225,098.88/x
  3. Step 3: Cross multiply
    285,625.32x = 393,708.24 × 225,098.88
  4. Step 4: Simplify right side
    285,625.32x = 88,623,283,870.77
  5. Step 5: Solve for x
    x = 88,623,283,870.77/285,625.32
  6. Step 6: Final answer
    x = 310,278.11

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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.