Home / 259,014.24-388,346.40-132,343.20

Finding the Fourth Proportional to 259,014.24, 388,346.40 and 132,343.20

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Solution

The fourth proportional to 259,014.24, 388,346.40 and 132,343.20 is: 198,425.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,014.24 : 388,346.40 = 132,343.20 : x
  2. Step 2: Convert to fraction form
    259,014.24/388,346.40 = 132,343.20/x
  3. Step 3: Cross multiply
    259,014.24x = 388,346.40 × 132,343.20
  4. Step 4: Simplify right side
    259,014.24x = 51,395,005,284.48
  5. Step 5: Solve for x
    x = 51,395,005,284.48/259,014.24
  6. Step 6: Final answer
    x = 198,425.40

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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.