Home / 311,719.25-430,167.58-175,753.46

Finding the Fourth Proportional to 311,719.25, 430,167.58 and 175,753.46

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Solution

The fourth proportional to 311,719.25, 430,167.58 and 175,753.46 is: 242,536.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,719.25 : 430,167.58 = 175,753.46 : x
  2. Step 2: Convert to fraction form
    311,719.25/430,167.58 = 175,753.46/x
  3. Step 3: Cross multiply
    311,719.25x = 430,167.58 × 175,753.46
  4. Step 4: Simplify right side
    311,719.25x = 75,603,441,200.86
  5. Step 5: Solve for x
    x = 75,603,441,200.86/311,719.25
  6. Step 6: Final answer
    x = 242,536.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.