Home / 325,915.24-488,875.02-126,257.80

Finding the Fourth Proportional to 325,915.24, 488,875.02 and 126,257.80

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Solution

The fourth proportional to 325,915.24, 488,875.02 and 126,257.80 is: 189,387.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,915.24 : 488,875.02 = 126,257.80 : x
  2. Step 2: Convert to fraction form
    325,915.24/488,875.02 = 126,257.80/x
  3. Step 3: Cross multiply
    325,915.24x = 488,875.02 × 126,257.80
  4. Step 4: Simplify right side
    325,915.24x = 61,724,284,500.16
  5. Step 5: Solve for x
    x = 61,724,284,500.16/325,915.24
  6. Step 6: Final answer
    x = 189,387.54

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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.