Home / 372,280.20-558,420.30-268,081.80

Finding the Fourth Proportional to 372,280.20, 558,420.30 and 268,081.80

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Solution

The fourth proportional to 372,280.20, 558,420.30 and 268,081.80 is: 402,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,280.20 : 558,420.30 = 268,081.80 : x
  2. Step 2: Convert to fraction form
    372,280.20/558,420.30 = 268,081.80/x
  3. Step 3: Cross multiply
    372,280.20x = 558,420.30 × 268,081.80
  4. Step 4: Simplify right side
    372,280.20x = 149,702,319,180.54
  5. Step 5: Solve for x
    x = 149,702,319,180.54/372,280.20
  6. Step 6: Final answer
    x = 402,122.70

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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.