Home / 279,658.24-385,937.28-152,337.92

Finding the Fourth Proportional to 279,658.24, 385,937.28 and 152,337.92

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Solution

The fourth proportional to 279,658.24, 385,937.28 and 152,337.92 is: 210,231.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,658.24 : 385,937.28 = 152,337.92 : x
  2. Step 2: Convert to fraction form
    279,658.24/385,937.28 = 152,337.92/x
  3. Step 3: Cross multiply
    279,658.24x = 385,937.28 × 152,337.92
  4. Step 4: Simplify right side
    279,658.24x = 58,792,882,485.66
  5. Step 5: Solve for x
    x = 58,792,882,485.66/279,658.24
  6. Step 6: Final answer
    x = 210,231.18

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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.