Home / 402,778.18-604,189.55-132,895.66

Finding the Fourth Proportional to 402,778.18, 604,189.55 and 132,895.66

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Solution

The fourth proportional to 402,778.18, 604,189.55 and 132,895.66 is: 199,350.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,778.18 : 604,189.55 = 132,895.66 : x
  2. Step 2: Convert to fraction form
    402,778.18/604,189.55 = 132,895.66/x
  3. Step 3: Cross multiply
    402,778.18x = 604,189.55 × 132,895.66
  4. Step 4: Simplify right side
    402,778.18x = 80,294,169,012.35
  5. Step 5: Solve for x
    x = 80,294,169,012.35/402,778.18
  6. Step 6: Final answer
    x = 199,350.84

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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.