Home / 296,610.20-444,911.60-71,972.50

Finding the Fourth Proportional to 296,610.20, 444,911.60 and 71,972.50

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Solution

The fourth proportional to 296,610.20, 444,911.60 and 71,972.50 is: 107,957.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,610.20 : 444,911.60 = 71,972.50 : x
  2. Step 2: Convert to fraction form
    296,610.20/444,911.60 = 71,972.50/x
  3. Step 3: Cross multiply
    296,610.20x = 444,911.60 × 71,972.50
  4. Step 4: Simplify right side
    296,610.20x = 32,021,400,131
  5. Step 5: Solve for x
    x = 32,021,400,131/296,610.20
  6. Step 6: Final answer
    x = 107,957.85

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1.5x scale

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.