Home / 269,717.45-372,350.05-197,038.78

Finding the Fourth Proportional to 269,717.45, 372,350.05 and 197,038.78

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Solution

The fourth proportional to 269,717.45, 372,350.05 and 197,038.78 is: 272,015.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,717.45 : 372,350.05 = 197,038.78 : x
  2. Step 2: Convert to fraction form
    269,717.45/372,350.05 = 197,038.78/x
  3. Step 3: Cross multiply
    269,717.45x = 372,350.05 × 197,038.78
  4. Step 4: Simplify right side
    269,717.45x = 73,367,398,161.47
  5. Step 5: Solve for x
    x = 73,367,398,161.47/269,717.45
  6. Step 6: Final answer
    x = 272,015.77

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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.