Home / 279,370.48-385,531.24-152,046.96

Finding the Fourth Proportional to 279,370.48, 385,531.24 and 152,046.96

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Solution

The fourth proportional to 279,370.48, 385,531.24 and 152,046.96 is: 209,824.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,370.48 : 385,531.24 = 152,046.96 : x
  2. Step 2: Convert to fraction form
    279,370.48/385,531.24 = 152,046.96/x
  3. Step 3: Cross multiply
    279,370.48x = 385,531.24 × 152,046.96
  4. Step 4: Simplify right side
    279,370.48x = 58,618,853,027.03
  5. Step 5: Solve for x
    x = 58,618,853,027.03/279,370.48
  6. Step 6: Final answer
    x = 209,824.79

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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.