Home / 296,627.72-444,937.82-71,990

Finding the Fourth Proportional to 296,627.72, 444,937.82 and 71,990

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Solution

The fourth proportional to 296,627.72, 444,937.82 and 71,990 is: 107,984.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,627.72 : 444,937.82 = 71,990 : x
  2. Step 2: Convert to fraction form
    296,627.72/444,937.82 = 71,990/x
  3. Step 3: Cross multiply
    296,627.72x = 444,937.82 × 71,990
  4. Step 4: Simplify right side
    296,627.72x = 32,031,073,661.80
  5. Step 5: Solve for x
    x = 32,031,073,661.80/296,627.72
  6. Step 6: Final answer
    x = 107,984.09

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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.