Home / 280,366.32-386,892.07-159,496.30

Finding the Fourth Proportional to 280,366.32, 386,892.07 and 159,496.30

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Solution

The fourth proportional to 280,366.32, 386,892.07 and 159,496.30 is: 220,097.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,366.32 : 386,892.07 = 159,496.30 : x
  2. Step 2: Convert to fraction form
    280,366.32/386,892.07 = 159,496.30/x
  3. Step 3: Cross multiply
    280,366.32x = 386,892.07 × 159,496.30
  4. Step 4: Simplify right side
    280,366.32x = 61,707,853,664.34
  5. Step 5: Solve for x
    x = 61,707,853,664.34/280,366.32
  6. Step 6: Final answer
    x = 220,097.24

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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.