Home / 240,360.88-331,661.14-138,366.62

Finding the Fourth Proportional to 240,360.88, 331,661.14 and 138,366.62

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Solution

The fourth proportional to 240,360.88, 331,661.14 and 138,366.62 is: 190,924.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,360.88 : 331,661.14 = 138,366.62 : x
  2. Step 2: Convert to fraction form
    240,360.88/331,661.14 = 138,366.62/x
  3. Step 3: Cross multiply
    240,360.88x = 331,661.14 × 138,366.62
  4. Step 4: Simplify right side
    240,360.88x = 45,890,830,927.15
  5. Step 5: Solve for x
    x = 45,890,830,927.15/240,360.88
  6. Step 6: Final answer
    x = 190,924.71

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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.