Home / 311,146.25-429,363.45-175,174.72

Finding the Fourth Proportional to 311,146.25, 429,363.45 and 175,174.72

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Solution

The fourth proportional to 311,146.25, 429,363.45 and 175,174.72 is: 241,730.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,146.25 : 429,363.45 = 175,174.72 : x
  2. Step 2: Convert to fraction form
    311,146.25/429,363.45 = 175,174.72/x
  3. Step 3: Cross multiply
    311,146.25x = 429,363.45 × 175,174.72
  4. Step 4: Simplify right side
    311,146.25x = 75,213,621,058.58
  5. Step 5: Solve for x
    x = 75,213,621,058.58/311,146.25
  6. Step 6: Final answer
    x = 241,730.77

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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.