Home / 311,155.43-429,417.45-175,204.22

Finding the Fourth Proportional to 311,155.43, 429,417.45 and 175,204.22

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Solution

The fourth proportional to 311,155.43, 429,417.45 and 175,204.22 is: 241,794.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,155.43 : 429,417.45 = 175,204.22 : x
  2. Step 2: Convert to fraction form
    311,155.43/429,417.45 = 175,204.22/x
  3. Step 3: Cross multiply
    311,155.43x = 429,417.45 × 175,204.22
  4. Step 4: Simplify right side
    311,155.43x = 75,235,747,234.55
  5. Step 5: Solve for x
    x = 75,235,747,234.55/311,155.43
  6. Step 6: Final answer
    x = 241,794.75

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1.5x scale

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.