Home / 272,487.20-408,314.40-114,629.12

Finding the Fourth Proportional to 272,487.20, 408,314.40 and 114,629.12

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Solution

The fourth proportional to 272,487.20, 408,314.40 and 114,629.12 is: 171,768.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,487.20 : 408,314.40 = 114,629.12 : x
  2. Step 2: Convert to fraction form
    272,487.20/408,314.40 = 114,629.12/x
  3. Step 3: Cross multiply
    272,487.20x = 408,314.40 × 114,629.12
  4. Step 4: Simplify right side
    272,487.20x = 46,804,720,355.33
  5. Step 5: Solve for x
    x = 46,804,720,355.33/272,487.20
  6. Step 6: Final answer
    x = 171,768.51

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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.