Home / 402,621.30-604,008.15-132,764.94

Finding the Fourth Proportional to 402,621.30, 604,008.15 and 132,764.94

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Solution

The fourth proportional to 402,621.30, 604,008.15 and 132,764.94 is: 199,172.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,621.30 : 604,008.15 = 132,764.94 : x
  2. Step 2: Convert to fraction form
    402,621.30/604,008.15 = 132,764.94/x
  3. Step 3: Cross multiply
    402,621.30x = 604,008.15 × 132,764.94
  4. Step 4: Simplify right side
    402,621.30x = 80,191,105,794.26
  5. Step 5: Solve for x
    x = 80,191,105,794.26/402,621.30
  6. Step 6: Final answer
    x = 199,172.54

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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.