Home / 220,895.40-331,343.10-115,700.70

Finding the Fourth Proportional to 220,895.40, 331,343.10 and 115,700.70

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Solution

The fourth proportional to 220,895.40, 331,343.10 and 115,700.70 is: 173,551.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,895.40 : 331,343.10 = 115,700.70 : x
  2. Step 2: Convert to fraction form
    220,895.40/331,343.10 = 115,700.70/x
  3. Step 3: Cross multiply
    220,895.40x = 331,343.10 × 115,700.70
  4. Step 4: Simplify right side
    220,895.40x = 38,336,628,610.17
  5. Step 5: Solve for x
    x = 38,336,628,610.17/220,895.40
  6. Step 6: Final answer
    x = 173,551.05

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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.