Home / 272,350.40-408,525.36-82,812.32

Finding the Fourth Proportional to 272,350.40, 408,525.36 and 82,812.32

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Solution

The fourth proportional to 272,350.40, 408,525.36 and 82,812.32 is: 124,218.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,350.40 : 408,525.36 = 82,812.32 : x
  2. Step 2: Convert to fraction form
    272,350.40/408,525.36 = 82,812.32/x
  3. Step 3: Cross multiply
    272,350.40x = 408,525.36 × 82,812.32
  4. Step 4: Simplify right side
    272,350.40x = 33,830,932,840.44
  5. Step 5: Solve for x
    x = 33,830,932,840.44/272,350.40
  6. Step 6: Final answer
    x = 124,218.41

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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.