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Finding the Fourth Proportional to 421,650.06, 632,177.42 and 155,375.52

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Solution

The fourth proportional to 421,650.06, 632,177.42 and 155,375.52 is: 232,953.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,650.06 : 632,177.42 = 155,375.52 : x
  2. Step 2: Convert to fraction form
    421,650.06/632,177.42 = 155,375.52/x
  3. Step 3: Cross multiply
    421,650.06x = 632,177.42 × 155,375.52
  4. Step 4: Simplify right side
    421,650.06x = 98,224,894,587.88
  5. Step 5: Solve for x
    x = 98,224,894,587.88/421,650.06
  6. Step 6: Final answer
    x = 232,953.59

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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.