Home / 280,773.38-387,467.34-159,925.97

Finding the Fourth Proportional to 280,773.38, 387,467.34 and 159,925.97

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Solution

The fourth proportional to 280,773.38, 387,467.34 and 159,925.97 is: 220,697.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,773.38 : 387,467.34 = 159,925.97 : x
  2. Step 2: Convert to fraction form
    280,773.38/387,467.34 = 159,925.97/x
  3. Step 3: Cross multiply
    280,773.38x = 387,467.34 × 159,925.97
  4. Step 4: Simplify right side
    280,773.38x = 61,966,090,192.82
  5. Step 5: Solve for x
    x = 61,966,090,192.82/280,773.38
  6. Step 6: Final answer
    x = 220,697.88

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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.