Home / 272,444.01-408,681.38-82,910.55

Finding the Fourth Proportional to 272,444.01, 408,681.38 and 82,910.55

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Solution

The fourth proportional to 272,444.01, 408,681.38 and 82,910.55 is: 124,370.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,444.01 : 408,681.38 = 82,910.55 : x
  2. Step 2: Convert to fraction form
    272,444.01/408,681.38 = 82,910.55/x
  3. Step 3: Cross multiply
    272,444.01x = 408,681.38 × 82,910.55
  4. Step 4: Simplify right side
    272,444.01x = 33,883,999,730.39
  5. Step 5: Solve for x
    x = 33,883,999,730.39/272,444.01
  6. Step 6: Final answer
    x = 124,370.51

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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.