Home / 251,489.45-377,031.06-82,904.56

Finding the Fourth Proportional to 251,489.45, 377,031.06 and 82,904.56

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Solution

The fourth proportional to 251,489.45, 377,031.06 and 82,904.56 is: 124,289.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,489.45 : 377,031.06 = 82,904.56 : x
  2. Step 2: Convert to fraction form
    251,489.45/377,031.06 = 82,904.56/x
  3. Step 3: Cross multiply
    251,489.45x = 377,031.06 × 82,904.56
  4. Step 4: Simplify right side
    251,489.45x = 31,257,592,250.48
  5. Step 5: Solve for x
    x = 31,257,592,250.48/251,489.45
  6. Step 6: Final answer
    x = 124,289.87

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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.