Home / 280,122.57-386,553.60-159,247.08

Finding the Fourth Proportional to 280,122.57, 386,553.60 and 159,247.08

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Solution

The fourth proportional to 280,122.57, 386,553.60 and 159,247.08 is: 219,752.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,122.57 : 386,553.60 = 159,247.08 : x
  2. Step 2: Convert to fraction form
    280,122.57/386,553.60 = 159,247.08/x
  3. Step 3: Cross multiply
    280,122.57x = 386,553.60 × 159,247.08
  4. Step 4: Simplify right side
    280,122.57x = 61,557,532,063.49
  5. Step 5: Solve for x
    x = 61,557,532,063.49/280,122.57
  6. Step 6: Final answer
    x = 219,752.13

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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.