Home / 486,541.20-729,881.55-149,610.15

Finding the Fourth Proportional to 486,541.20, 729,881.55 and 149,610.15

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Solution

The fourth proportional to 486,541.20, 729,881.55 and 149,610.15 is: 224,436.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,541.20 : 729,881.55 = 149,610.15 : x
  2. Step 2: Convert to fraction form
    486,541.20/729,881.55 = 149,610.15/x
  3. Step 3: Cross multiply
    486,541.20x = 729,881.55 × 149,610.15
  4. Step 4: Simplify right side
    486,541.20x = 109,197,688,177.73
  5. Step 5: Solve for x
    x = 109,197,688,177.73/486,541.20
  6. Step 6: Final answer
    x = 224,436.67

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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.