Home / 486,023.52-729,039.60-149,065.75

Finding the Fourth Proportional to 486,023.52, 729,039.60 and 149,065.75

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Solution

The fourth proportional to 486,023.52, 729,039.60 and 149,065.75 is: 223,599.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,023.52 : 729,039.60 = 149,065.75 : x
  2. Step 2: Convert to fraction form
    486,023.52/729,039.60 = 149,065.75/x
  3. Step 3: Cross multiply
    486,023.52x = 729,039.60 × 149,065.75
  4. Step 4: Simplify right side
    486,023.52x = 108,674,831,108.50
  5. Step 5: Solve for x
    x = 108,674,831,108.50/486,023.52
  6. Step 6: Final answer
    x = 223,599.94

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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.