Home / 245,565.92-338,929.36-159,631.36

Finding the Fourth Proportional to 245,565.92, 338,929.36 and 159,631.36

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Solution

The fourth proportional to 245,565.92, 338,929.36 and 159,631.36 is: 220,322.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,565.92 : 338,929.36 = 159,631.36 : x
  2. Step 2: Convert to fraction form
    245,565.92/338,929.36 = 159,631.36/x
  3. Step 3: Cross multiply
    245,565.92x = 338,929.36 × 159,631.36
  4. Step 4: Simplify right side
    245,565.92x = 54,103,754,680.73
  5. Step 5: Solve for x
    x = 54,103,754,680.73/245,565.92
  6. Step 6: Final answer
    x = 220,322.73

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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.