Home / 265,340.39-366,121.10-156,478.88

Finding the Fourth Proportional to 265,340.39, 366,121.10 and 156,478.88

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Solution

The fourth proportional to 265,340.39, 366,121.10 and 156,478.88 is: 215,912.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,340.39 : 366,121.10 = 156,478.88 : x
  2. Step 2: Convert to fraction form
    265,340.39/366,121.10 = 156,478.88/x
  3. Step 3: Cross multiply
    265,340.39x = 366,121.10 × 156,478.88
  4. Step 4: Simplify right side
    265,340.39x = 57,290,220,098.67
  5. Step 5: Solve for x
    x = 57,290,220,098.67/265,340.39
  6. Step 6: Final answer
    x = 215,912.17

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1.5x scale

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.