Home / 231,855.85-321,598.02-225,710.38

Finding the Fourth Proportional to 231,855.85, 321,598.02 and 225,710.38

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Solution

The fourth proportional to 231,855.85, 321,598.02 and 225,710.38 is: 313,073.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,855.85 : 321,598.02 = 225,710.38 : x
  2. Step 2: Convert to fraction form
    231,855.85/321,598.02 = 225,710.38/x
  3. Step 3: Cross multiply
    231,855.85x = 321,598.02 × 225,710.38
  4. Step 4: Simplify right side
    231,855.85x = 72,588,011,301.45
  5. Step 5: Solve for x
    x = 72,588,011,301.45/231,855.85
  6. Step 6: Final answer
    x = 313,073.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.