Home / 311,425.38-429,767.07-168,185.46

Finding the Fourth Proportional to 311,425.38, 429,767.07 and 168,185.46

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Solution

The fourth proportional to 311,425.38, 429,767.07 and 168,185.46 is: 232,095.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,425.38 : 429,767.07 = 168,185.46 : x
  2. Step 2: Convert to fraction form
    311,425.38/429,767.07 = 168,185.46/x
  3. Step 3: Cross multiply
    311,425.38x = 429,767.07 × 168,185.46
  4. Step 4: Simplify right side
    311,425.38x = 72,280,573,341.73
  5. Step 5: Solve for x
    x = 72,280,573,341.73/311,425.38
  6. Step 6: Final answer
    x = 232,095.96

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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.