Home / 325,375.07-487,948.30-97,602.78

Finding the Fourth Proportional to 325,375.07, 487,948.30 and 97,602.78

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Solution

The fourth proportional to 325,375.07, 487,948.30 and 97,602.78 is: 146,369.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,375.07 : 487,948.30 = 97,602.78 : x
  2. Step 2: Convert to fraction form
    325,375.07/487,948.30 = 97,602.78/x
  3. Step 3: Cross multiply
    325,375.07x = 487,948.30 × 97,602.78
  4. Step 4: Simplify right side
    325,375.07x = 47,625,110,576.27
  5. Step 5: Solve for x
    x = 47,625,110,576.27/325,375.07
  6. Step 6: Final answer
    x = 146,369.88

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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.