Home / 279,862.98-386,221.32-159,024.75

Finding the Fourth Proportional to 279,862.98, 386,221.32 and 159,024.75

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Solution

The fourth proportional to 279,862.98, 386,221.32 and 159,024.75 is: 219,460.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,862.98 : 386,221.32 = 159,024.75 : x
  2. Step 2: Convert to fraction form
    279,862.98/386,221.32 = 159,024.75/x
  3. Step 3: Cross multiply
    279,862.98x = 386,221.32 × 159,024.75
  4. Step 4: Simplify right side
    279,862.98x = 61,418,748,857.67
  5. Step 5: Solve for x
    x = 61,418,748,857.67/279,862.98
  6. Step 6: Final answer
    x = 219,460.07

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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.