Home / 486,084.48-729,148.56-149,100.60

Finding the Fourth Proportional to 486,084.48, 729,148.56 and 149,100.60

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Solution

The fourth proportional to 486,084.48, 729,148.56 and 149,100.60 is: 223,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,084.48 : 729,148.56 = 149,100.60 : x
  2. Step 2: Convert to fraction form
    486,084.48/729,148.56 = 149,100.60/x
  3. Step 3: Cross multiply
    486,084.48x = 729,148.56 × 149,100.60
  4. Step 4: Simplify right side
    486,084.48x = 108,716,487,785.14
  5. Step 5: Solve for x
    x = 108,716,487,785.14/486,084.48
  6. Step 6: Final answer
    x = 223,657.60

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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.