Home / 325,911.24-488,869.02-126,253.80

Finding the Fourth Proportional to 325,911.24, 488,869.02 and 126,253.80

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Solution

The fourth proportional to 325,911.24, 488,869.02 and 126,253.80 is: 189,381.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,911.24 : 488,869.02 = 126,253.80 : x
  2. Step 2: Convert to fraction form
    325,911.24/488,869.02 = 126,253.80/x
  3. Step 3: Cross multiply
    325,911.24x = 488,869.02 × 126,253.80
  4. Step 4: Simplify right side
    325,911.24x = 61,721,571,477.28
  5. Step 5: Solve for x
    x = 61,721,571,477.28/325,911.24
  6. Step 6: Final answer
    x = 189,381.54

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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.