Home / 212,660.26-319,052.76-62,904.50

Finding the Fourth Proportional to 212,660.26, 319,052.76 and 62,904.50

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Solution

The fourth proportional to 212,660.26, 319,052.76 and 62,904.50 is: 94,375.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,660.26 : 319,052.76 = 62,904.50 : x
  2. Step 2: Convert to fraction form
    212,660.26/319,052.76 = 62,904.50/x
  3. Step 3: Cross multiply
    212,660.26x = 319,052.76 × 62,904.50
  4. Step 4: Simplify right side
    212,660.26x = 20,069,854,341.42
  5. Step 5: Solve for x
    x = 20,069,854,341.42/212,660.26
  6. Step 6: Final answer
    x = 94,375.20

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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.