Home / 440,178.14-660,267.21-240,389.53

Finding the Fourth Proportional to 440,178.14, 660,267.21 and 240,389.53

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Solution

The fourth proportional to 440,178.14, 660,267.21 and 240,389.53 is: 360,584.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,178.14 : 660,267.21 = 240,389.53 : x
  2. Step 2: Convert to fraction form
    440,178.14/660,267.21 = 240,389.53/x
  3. Step 3: Cross multiply
    440,178.14x = 660,267.21 × 240,389.53
  4. Step 4: Simplify right side
    440,178.14x = 158,721,320,984.98
  5. Step 5: Solve for x
    x = 158,721,320,984.98/440,178.14
  6. Step 6: Final answer
    x = 360,584.29

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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.