Home / 269,669.80-372,218.34-156,529

Finding the Fourth Proportional to 269,669.80, 372,218.34 and 156,529

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Solution

The fourth proportional to 269,669.80, 372,218.34 and 156,529 is: 216,052.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,669.80 : 372,218.34 = 156,529 : x
  2. Step 2: Convert to fraction form
    269,669.80/372,218.34 = 156,529/x
  3. Step 3: Cross multiply
    269,669.80x = 372,218.34 × 156,529
  4. Step 4: Simplify right side
    269,669.80x = 58,262,964,541.86
  5. Step 5: Solve for x
    x = 58,262,964,541.86/269,669.80
  6. Step 6: Final answer
    x = 216,052.98

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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.