Home / 440,230.89-660,314.04-140,631.02

Finding the Fourth Proportional to 440,230.89, 660,314.04 and 140,631.02

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Solution

The fourth proportional to 440,230.89, 660,314.04 and 140,631.02 is: 210,936.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,230.89 : 660,314.04 = 140,631.02 : x
  2. Step 2: Convert to fraction form
    440,230.89/660,314.04 = 140,631.02/x
  3. Step 3: Cross multiply
    440,230.89x = 660,314.04 × 140,631.02
  4. Step 4: Simplify right side
    440,230.89x = 92,860,633,663.95
  5. Step 5: Solve for x
    x = 92,860,633,663.95/440,230.89
  6. Step 6: Final answer
    x = 210,936.21

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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.