Home / 280,414.08-386,993.52-159,560.46

Finding the Fourth Proportional to 280,414.08, 386,993.52 and 159,560.46

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Solution

The fourth proportional to 280,414.08, 386,993.52 and 159,560.46 is: 220,206.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,414.08 : 386,993.52 = 159,560.46 : x
  2. Step 2: Convert to fraction form
    280,414.08/386,993.52 = 159,560.46/x
  3. Step 3: Cross multiply
    280,414.08x = 386,993.52 × 159,560.46
  4. Step 4: Simplify right side
    280,414.08x = 61,748,864,068.22
  5. Step 5: Solve for x
    x = 61,748,864,068.22/280,414.08
  6. Step 6: Final answer
    x = 220,206.00

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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.