Home / 440,169.12-660,085.20-187,291.44

Finding the Fourth Proportional to 440,169.12, 660,085.20 and 187,291.44

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Solution

The fourth proportional to 440,169.12, 660,085.20 and 187,291.44 is: 280,865.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,169.12 : 660,085.20 = 187,291.44 : x
  2. Step 2: Convert to fraction form
    440,169.12/660,085.20 = 187,291.44/x
  3. Step 3: Cross multiply
    440,169.12x = 660,085.20 × 187,291.44
  4. Step 4: Simplify right side
    440,169.12x = 123,628,307,630.69
  5. Step 5: Solve for x
    x = 123,628,307,630.69/440,169.12
  6. Step 6: Final answer
    x = 280,865.47

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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.