Home / 204,669.92-305,565.80-156,385.83

Finding the Fourth Proportional to 204,669.92, 305,565.80 and 156,385.83

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Solution

The fourth proportional to 204,669.92, 305,565.80 and 156,385.83 is: 233,479.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,669.92 : 305,565.80 = 156,385.83 : x
  2. Step 2: Convert to fraction form
    204,669.92/305,565.80 = 156,385.83/x
  3. Step 3: Cross multiply
    204,669.92x = 305,565.80 × 156,385.83
  4. Step 4: Simplify right side
    204,669.92x = 47,786,162,616.32
  5. Step 5: Solve for x
    x = 47,786,162,616.32/204,669.92
  6. Step 6: Final answer
    x = 233,479.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.