Home / 486,186.90-729,280.35-131,200.35

Finding the Fourth Proportional to 486,186.90, 729,280.35 and 131,200.35

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Solution

The fourth proportional to 486,186.90, 729,280.35 and 131,200.35 is: 196,800.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,186.90 : 729,280.35 = 131,200.35 : x
  2. Step 2: Convert to fraction form
    486,186.90/729,280.35 = 131,200.35/x
  3. Step 3: Cross multiply
    486,186.90x = 729,280.35 × 131,200.35
  4. Step 4: Simplify right side
    486,186.90x = 95,681,837,168.12
  5. Step 5: Solve for x
    x = 95,681,837,168.12/486,186.90
  6. Step 6: Final answer
    x = 196,800.53

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.