Home / 280,250.03-386,611.82-165,451.76

Finding the Fourth Proportional to 280,250.03, 386,611.82 and 165,451.76

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Solution

The fourth proportional to 280,250.03, 386,611.82 and 165,451.76 is: 228,244.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,250.03 : 386,611.82 = 165,451.76 : x
  2. Step 2: Convert to fraction form
    280,250.03/386,611.82 = 165,451.76/x
  3. Step 3: Cross multiply
    280,250.03x = 386,611.82 × 165,451.76
  4. Step 4: Simplify right side
    280,250.03x = 63,965,605,909.40
  5. Step 5: Solve for x
    x = 63,965,605,909.40/280,250.03
  6. Step 6: Final answer
    x = 228,244.78

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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.