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Finding the Fourth Proportional to 440,169.37, 660,254.06 and 240,380.78

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Solution

The fourth proportional to 440,169.37, 660,254.06 and 240,380.78 is: 360,571.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,169.37 : 660,254.06 = 240,380.78 : x
  2. Step 2: Convert to fraction form
    440,169.37/660,254.06 = 240,380.78/x
  3. Step 3: Cross multiply
    440,169.37x = 660,254.06 × 240,380.78
  4. Step 4: Simplify right side
    440,169.37x = 158,712,383,240.65
  5. Step 5: Solve for x
    x = 158,712,383,240.65/440,169.37
  6. Step 6: Final answer
    x = 360,571.17

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1.5x scale

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.