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Finding the Fourth Proportional to 269,903.25, 372,499.29 and 156,726

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Solution

The fourth proportional to 269,903.25, 372,499.29 and 156,726 is: 216,300.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,903.25 : 372,499.29 = 156,726 : x
  2. Step 2: Convert to fraction form
    269,903.25/372,499.29 = 156,726/x
  3. Step 3: Cross multiply
    269,903.25x = 372,499.29 × 156,726
  4. Step 4: Simplify right side
    269,903.25x = 58,380,323,724.54
  5. Step 5: Solve for x
    x = 58,380,323,724.54/269,903.25
  6. Step 6: Final answer
    x = 216,300.93

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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.