Home / 272,097.11-408,175.43-92,312.34

Finding the Fourth Proportional to 272,097.11, 408,175.43 and 92,312.34

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Solution

The fourth proportional to 272,097.11, 408,175.43 and 92,312.34 is: 138,478.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,097.11 : 408,175.43 = 92,312.34 : x
  2. Step 2: Convert to fraction form
    272,097.11/408,175.43 = 92,312.34/x
  3. Step 3: Cross multiply
    272,097.11x = 408,175.43 × 92,312.34
  4. Step 4: Simplify right side
    272,097.11x = 37,679,629,073.81
  5. Step 5: Solve for x
    x = 37,679,629,073.81/272,097.11
  6. Step 6: Final answer
    x = 138,478.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.