Home / 260,076.84-390,227.94-91,717.47

Finding the Fourth Proportional to 260,076.84, 390,227.94 and 91,717.47

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Solution

The fourth proportional to 260,076.84, 390,227.94 and 91,717.47 is: 137,615.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,076.84 : 390,227.94 = 91,717.47 : x
  2. Step 2: Convert to fraction form
    260,076.84/390,227.94 = 91,717.47/x
  3. Step 3: Cross multiply
    260,076.84x = 390,227.94 × 91,717.47
  4. Step 4: Simplify right side
    260,076.84x = 35,790,719,380.11
  5. Step 5: Solve for x
    x = 35,790,719,380.11/260,076.84
  6. Step 6: Final answer
    x = 137,615.94

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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.