Home / 261,351.20-360,326-169,306.72

Finding the Fourth Proportional to 261,351.20, 360,326 and 169,306.72

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Solution

The fourth proportional to 261,351.20, 360,326 and 169,306.72 is: 233,423.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,351.20 : 360,326 = 169,306.72 : x
  2. Step 2: Convert to fraction form
    261,351.20/360,326 = 169,306.72/x
  3. Step 3: Cross multiply
    261,351.20x = 360,326 × 169,306.72
  4. Step 4: Simplify right side
    261,351.20x = 61,005,613,190.72
  5. Step 5: Solve for x
    x = 61,005,613,190.72/261,351.20
  6. Step 6: Final answer
    x = 233,423.89

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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.