Home / 272,999.28-376,740.27-158,345.80

Finding the Fourth Proportional to 272,999.28, 376,740.27 and 158,345.80

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Solution

The fourth proportional to 272,999.28, 376,740.27 and 158,345.80 is: 218,517.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,999.28 : 376,740.27 = 158,345.80 : x
  2. Step 2: Convert to fraction form
    272,999.28/376,740.27 = 158,345.80/x
  3. Step 3: Cross multiply
    272,999.28x = 376,740.27 × 158,345.80
  4. Step 4: Simplify right side
    272,999.28x = 59,655,240,177.33
  5. Step 5: Solve for x
    x = 59,655,240,177.33/272,999.28
  6. Step 6: Final answer
    x = 218,517.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.