Home / 486,027.55-729,164.36-149,085.36

Finding the Fourth Proportional to 486,027.55, 729,164.36 and 149,085.36

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Solution

The fourth proportional to 486,027.55, 729,164.36 and 149,085.36 is: 223,665.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,027.55 : 729,164.36 = 149,085.36 : x
  2. Step 2: Convert to fraction form
    486,027.55/729,164.36 = 149,085.36/x
  3. Step 3: Cross multiply
    486,027.55x = 729,164.36 × 149,085.36
  4. Step 4: Simplify right side
    486,027.55x = 108,707,726,718.52
  5. Step 5: Solve for x
    x = 108,707,726,718.52/486,027.55
  6. Step 6: Final answer
    x = 223,665.77

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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.