Home / 486,512.25-729,838.02-149,581.19

Finding the Fourth Proportional to 486,512.25, 729,838.02 and 149,581.19

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Solution

The fourth proportional to 486,512.25, 729,838.02 and 149,581.19 is: 224,393.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,512.25 : 729,838.02 = 149,581.19 : x
  2. Step 2: Convert to fraction form
    486,512.25/729,838.02 = 149,581.19/x
  3. Step 3: Cross multiply
    486,512.25x = 729,838.02 × 149,581.19
  4. Step 4: Simplify right side
    486,512.25x = 109,170,039,538.84
  5. Step 5: Solve for x
    x = 109,170,039,538.84/486,512.25
  6. Step 6: Final answer
    x = 224,393.20

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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.