Home / 279,867.48-386,227.53-159,029.25

Finding the Fourth Proportional to 279,867.48, 386,227.53 and 159,029.25

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Solution

The fourth proportional to 279,867.48, 386,227.53 and 159,029.25 is: 219,466.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,867.48 : 386,227.53 = 159,029.25 : x
  2. Step 2: Convert to fraction form
    279,867.48/386,227.53 = 159,029.25/x
  3. Step 3: Cross multiply
    279,867.48x = 386,227.53 × 159,029.25
  4. Step 4: Simplify right side
    279,867.48x = 61,421,474,425.25
  5. Step 5: Solve for x
    x = 61,421,474,425.25/279,867.48
  6. Step 6: Final answer
    x = 219,466.28

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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.