Home / 442,666.20-663,999.30-176,617.65

Finding the Fourth Proportional to 442,666.20, 663,999.30 and 176,617.65

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Solution

The fourth proportional to 442,666.20, 663,999.30 and 176,617.65 is: 264,926.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,666.20 : 663,999.30 = 176,617.65 : x
  2. Step 2: Convert to fraction form
    442,666.20/663,999.30 = 176,617.65/x
  3. Step 3: Cross multiply
    442,666.20x = 663,999.30 × 176,617.65
  4. Step 4: Simplify right side
    442,666.20x = 117,273,995,967.65
  5. Step 5: Solve for x
    x = 117,273,995,967.65/442,666.20
  6. Step 6: Final answer
    x = 264,926.48

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Similar ratio
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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.