Home / 311,910.03-467,865.09-122,459.76

Finding the Fourth Proportional to 311,910.03, 467,865.09 and 122,459.76

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Solution

The fourth proportional to 311,910.03, 467,865.09 and 122,459.76 is: 183,689.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,910.03 : 467,865.09 = 122,459.76 : x
  2. Step 2: Convert to fraction form
    311,910.03/467,865.09 = 122,459.76/x
  3. Step 3: Cross multiply
    311,910.03x = 467,865.09 × 122,459.76
  4. Step 4: Simplify right side
    311,910.03x = 57,294,646,633.78
  5. Step 5: Solve for x
    x = 57,294,646,633.78/311,910.03
  6. Step 6: Final answer
    x = 183,689.66

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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.