Home / 261,359.51-391,933.73-101,351.19

Finding the Fourth Proportional to 261,359.51, 391,933.73 and 101,351.19

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Solution

The fourth proportional to 261,359.51, 391,933.73 and 101,351.19 is: 151,985.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,359.51 : 391,933.73 = 101,351.19 : x
  2. Step 2: Convert to fraction form
    261,359.51/391,933.73 = 101,351.19/x
  3. Step 3: Cross multiply
    261,359.51x = 391,933.73 × 101,351.19
  4. Step 4: Simplify right side
    261,359.51x = 39,722,949,429.88
  5. Step 5: Solve for x
    x = 39,722,949,429.88/261,359.51
  6. Step 6: Final answer
    x = 151,985.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.