Home / 272,557.60-408,909.30-193,825.60

Finding the Fourth Proportional to 272,557.60, 408,909.30 and 193,825.60

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Solution

The fourth proportional to 272,557.60, 408,909.30 and 193,825.60 is: 290,790.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,557.60 : 408,909.30 = 193,825.60 : x
  2. Step 2: Convert to fraction form
    272,557.60/408,909.30 = 193,825.60/x
  3. Step 3: Cross multiply
    272,557.60x = 408,909.30 × 193,825.60
  4. Step 4: Simplify right side
    272,557.60x = 79,257,090,418.08
  5. Step 5: Solve for x
    x = 79,257,090,418.08/272,557.60
  6. Step 6: Final answer
    x = 290,790.24

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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.