Home / 338,870.18-508,131.68-179,031.92

Finding the Fourth Proportional to 338,870.18, 508,131.68 and 179,031.92

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Solution

The fourth proportional to 338,870.18, 508,131.68 and 179,031.92 is: 268,456.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,870.18 : 508,131.68 = 179,031.92 : x
  2. Step 2: Convert to fraction form
    338,870.18/508,131.68 = 179,031.92/x
  3. Step 3: Cross multiply
    338,870.18x = 508,131.68 × 179,031.92
  4. Step 4: Simplify right side
    338,870.18x = 90,971,790,712.70
  5. Step 5: Solve for x
    x = 90,971,790,712.70/338,870.18
  6. Step 6: Final answer
    x = 268,456.17

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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.