Home / 486,616.28-729,994.22-149,685.36

Finding the Fourth Proportional to 486,616.28, 729,994.22 and 149,685.36

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Solution

The fourth proportional to 486,616.28, 729,994.22 and 149,685.36 is: 224,549.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,616.28 : 729,994.22 = 149,685.36 : x
  2. Step 2: Convert to fraction form
    486,616.28/729,994.22 = 149,685.36/x
  3. Step 3: Cross multiply
    486,616.28x = 729,994.22 × 149,685.36
  4. Step 4: Simplify right side
    486,616.28x = 109,269,447,618.62
  5. Step 5: Solve for x
    x = 109,269,447,618.62/486,616.28
  6. Step 6: Final answer
    x = 224,549.51

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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.