Home / 280,366.07-386,891.73-159,496.05

Finding the Fourth Proportional to 280,366.07, 386,891.73 and 159,496.05

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Solution

The fourth proportional to 280,366.07, 386,891.73 and 159,496.05 is: 220,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,366.07 : 386,891.73 = 159,496.05 : x
  2. Step 2: Convert to fraction form
    280,366.07/386,891.73 = 159,496.05/x
  3. Step 3: Cross multiply
    280,366.07x = 386,891.73 × 159,496.05
  4. Step 4: Simplify right side
    280,366.07x = 61,707,702,712.67
  5. Step 5: Solve for x
    x = 61,707,702,712.67/280,366.07
  6. Step 6: Final answer
    x = 220,096.90

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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.