Home / 664,541.04-996,842.28-165,909.36

Finding the Fourth Proportional to 664,541.04, 996,842.28 and 165,909.36

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Solution

The fourth proportional to 664,541.04, 996,842.28 and 165,909.36 is: 248,871.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,541.04 : 996,842.28 = 165,909.36 : x
  2. Step 2: Convert to fraction form
    664,541.04/996,842.28 = 165,909.36/x
  3. Step 3: Cross multiply
    664,541.04x = 996,842.28 × 165,909.36
  4. Step 4: Simplify right side
    664,541.04x = 165,385,464,695.74
  5. Step 5: Solve for x
    x = 165,385,464,695.74/664,541.04
  6. Step 6: Final answer
    x = 248,871.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.