Home / 279,327.44-385,468.11-152,002.73

Finding the Fourth Proportional to 279,327.44, 385,468.11 and 152,002.73

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Solution

The fourth proportional to 279,327.44, 385,468.11 and 152,002.73 is: 209,761.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,327.44 : 385,468.11 = 152,002.73 : x
  2. Step 2: Convert to fraction form
    279,327.44/385,468.11 = 152,002.73/x
  3. Step 3: Cross multiply
    279,327.44x = 385,468.11 × 152,002.73
  4. Step 4: Simplify right side
    279,327.44x = 58,592,205,047.94
  5. Step 5: Solve for x
    x = 58,592,205,047.94/279,327.44
  6. Step 6: Final answer
    x = 209,761.72

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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.