Home / 481,253.20-721,879.80-148,829.20

Finding the Fourth Proportional to 481,253.20, 721,879.80 and 148,829.20

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Solution

The fourth proportional to 481,253.20, 721,879.80 and 148,829.20 is: 223,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,253.20 : 721,879.80 = 148,829.20 : x
  2. Step 2: Convert to fraction form
    481,253.20/721,879.80 = 148,829.20/x
  3. Step 3: Cross multiply
    481,253.20x = 721,879.80 × 148,829.20
  4. Step 4: Simplify right side
    481,253.20x = 107,436,793,130.16
  5. Step 5: Solve for x
    x = 107,436,793,130.16/481,253.20
  6. Step 6: Final answer
    x = 223,243.80

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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.