Home / 272,098.31-408,325.19-103,620.26

Finding the Fourth Proportional to 272,098.31, 408,325.19 and 103,620.26

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Solution

The fourth proportional to 272,098.31, 408,325.19 and 103,620.26 is: 155,498.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,098.31 : 408,325.19 = 103,620.26 : x
  2. Step 2: Convert to fraction form
    272,098.31/408,325.19 = 103,620.26/x
  3. Step 3: Cross multiply
    272,098.31x = 408,325.19 × 103,620.26
  4. Step 4: Simplify right side
    272,098.31x = 42,310,762,855.06
  5. Step 5: Solve for x
    x = 42,310,762,855.06/272,098.31
  6. Step 6: Final answer
    x = 155,498.08

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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.