Home / 327,877.50-491,487.93-127,922.79

Finding the Fourth Proportional to 327,877.50, 491,487.93 and 127,922.79

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Solution

The fourth proportional to 327,877.50, 491,487.93 and 127,922.79 is: 191,756.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,877.50 : 491,487.93 = 127,922.79 : x
  2. Step 2: Convert to fraction form
    327,877.50/491,487.93 = 127,922.79/x
  3. Step 3: Cross multiply
    327,877.50x = 491,487.93 × 127,922.79
  4. Step 4: Simplify right side
    327,877.50x = 62,872,507,256.92
  5. Step 5: Solve for x
    x = 62,872,507,256.92/327,877.50
  6. Step 6: Final answer
    x = 191,756.09

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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.