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Finding the Fourth Proportional to 265,680.27, 396,827.17 and 240,340.80

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Solution

The fourth proportional to 265,680.27, 396,827.17 and 240,340.80 is: 358,979.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,680.27 : 396,827.17 = 240,340.80 : x
  2. Step 2: Convert to fraction form
    265,680.27/396,827.17 = 240,340.80/x
  3. Step 3: Cross multiply
    265,680.27x = 396,827.17 × 240,340.80
  4. Step 4: Simplify right side
    265,680.27x = 95,373,759,499.54
  5. Step 5: Solve for x
    x = 95,373,759,499.54/265,680.27
  6. Step 6: Final answer
    x = 358,979.47

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1.5x scale

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.