Home / 269,949.75-372,530.69-156,779.79

Finding the Fourth Proportional to 269,949.75, 372,530.69 and 156,779.79

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Solution

The fourth proportional to 269,949.75, 372,530.69 and 156,779.79 is: 216,356.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,949.75 : 372,530.69 = 156,779.79 : x
  2. Step 2: Convert to fraction form
    269,949.75/372,530.69 = 156,779.79/x
  3. Step 3: Cross multiply
    269,949.75x = 372,530.69 × 156,779.79
  4. Step 4: Simplify right side
    269,949.75x = 58,405,282,562.86
  5. Step 5: Solve for x
    x = 58,405,282,562.86/269,949.75
  6. Step 6: Final answer
    x = 216,356.13

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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.