Home / 279,829.52-386,166.04-158,977.43

Finding the Fourth Proportional to 279,829.52, 386,166.04 and 158,977.43

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Solution

The fourth proportional to 279,829.52, 386,166.04 and 158,977.43 is: 219,389.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,829.52 : 386,166.04 = 158,977.43 : x
  2. Step 2: Convert to fraction form
    279,829.52/386,166.04 = 158,977.43/x
  3. Step 3: Cross multiply
    279,829.52x = 386,166.04 × 158,977.43
  4. Step 4: Simplify right side
    279,829.52x = 61,391,685,996.29
  5. Step 5: Solve for x
    x = 61,391,685,996.29/279,829.52
  6. Step 6: Final answer
    x = 219,389.60

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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.