Home / 305,280.72-457,767.38-178,951.10

Finding the Fourth Proportional to 305,280.72, 457,767.38 and 178,951.10

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Solution

The fourth proportional to 305,280.72, 457,767.38 and 178,951.10 is: 268,336.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,280.72 : 457,767.38 = 178,951.10 : x
  2. Step 2: Convert to fraction form
    305,280.72/457,767.38 = 178,951.10/x
  3. Step 3: Cross multiply
    305,280.72x = 457,767.38 × 178,951.10
  4. Step 4: Simplify right side
    305,280.72x = 81,917,976,195.12
  5. Step 5: Solve for x
    x = 81,917,976,195.12/305,280.72
  6. Step 6: Final answer
    x = 268,336.55

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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.