Home / 212,227.22-318,273.16-70,046.10

Finding the Fourth Proportional to 212,227.22, 318,273.16 and 70,046.10

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Solution

The fourth proportional to 212,227.22, 318,273.16 and 70,046.10 is: 105,046.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,227.22 : 318,273.16 = 70,046.10 : x
  2. Step 2: Convert to fraction form
    212,227.22/318,273.16 = 70,046.10/x
  3. Step 3: Cross multiply
    212,227.22x = 318,273.16 × 70,046.10
  4. Step 4: Simplify right side
    212,227.22x = 22,293,793,592.68
  5. Step 5: Solve for x
    x = 22,293,793,592.68/212,227.22
  6. Step 6: Final answer
    x = 105,046.82

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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.