Home / 440,169.12-660,297.42-159,708.24

Finding the Fourth Proportional to 440,169.12, 660,297.42 and 159,708.24

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Solution

The fourth proportional to 440,169.12, 660,297.42 and 159,708.24 is: 239,578.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,169.12 : 660,297.42 = 159,708.24 : x
  2. Step 2: Convert to fraction form
    440,169.12/660,297.42 = 159,708.24/x
  3. Step 3: Cross multiply
    440,169.12x = 660,297.42 × 159,708.24
  4. Step 4: Simplify right side
    440,169.12x = 105,454,938,824.74
  5. Step 5: Solve for x
    x = 105,454,938,824.74/440,169.12
  6. Step 6: Final answer
    x = 239,578.23

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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.