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Finding the Fourth Proportional to 440,452.98, 660,670.50 and 140,933.52

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Solution

The fourth proportional to 440,452.98, 660,670.50 and 140,933.52 is: 211,397.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,452.98 : 660,670.50 = 140,933.52 : x
  2. Step 2: Convert to fraction form
    440,452.98/660,670.50 = 140,933.52/x
  3. Step 3: Cross multiply
    440,452.98x = 660,670.50 × 140,933.52
  4. Step 4: Simplify right side
    440,452.98x = 93,110,619,125.16
  5. Step 5: Solve for x
    x = 93,110,619,125.16/440,452.98
  6. Step 6: Final answer
    x = 211,397.41

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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.