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Finding the Fourth Proportional to 311,160.40, 429,404.40 and 175,167.88

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Solution

The fourth proportional to 311,160.40, 429,404.40 and 175,167.88 is: 241,733.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,160.40 : 429,404.40 = 175,167.88 : x
  2. Step 2: Convert to fraction form
    311,160.40/429,404.40 = 175,167.88/x
  3. Step 3: Cross multiply
    311,160.40x = 429,404.40 × 175,167.88
  4. Step 4: Simplify right side
    311,160.40x = 75,217,858,410.67
  5. Step 5: Solve for x
    x = 75,217,858,410.67/311,160.40
  6. Step 6: Final answer
    x = 241,733.39

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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.