Home / 279,962.76-386,331.96-159,087.27

Finding the Fourth Proportional to 279,962.76, 386,331.96 and 159,087.27

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Solution

The fourth proportional to 279,962.76, 386,331.96 and 159,087.27 is: 219,530.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,962.76 : 386,331.96 = 159,087.27 : x
  2. Step 2: Convert to fraction form
    279,962.76/386,331.96 = 159,087.27/x
  3. Step 3: Cross multiply
    279,962.76x = 386,331.96 × 159,087.27
  4. Step 4: Simplify right side
    279,962.76x = 61,460,496,830.15
  5. Step 5: Solve for x
    x = 61,460,496,830.15/279,962.76
  6. Step 6: Final answer
    x = 219,530.97

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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.