Home / 199,928.45-299,634.33-149,613.78

Finding the Fourth Proportional to 199,928.45, 299,634.33 and 149,613.78

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Solution

The fourth proportional to 199,928.45, 299,634.33 and 149,613.78 is: 224,227.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,928.45 : 299,634.33 = 149,613.78 : x
  2. Step 2: Convert to fraction form
    199,928.45/299,634.33 = 149,613.78/x
  3. Step 3: Cross multiply
    199,928.45x = 299,634.33 × 149,613.78
  4. Step 4: Simplify right side
    199,928.45x = 44,829,424,729.07
  5. Step 5: Solve for x
    x = 44,829,424,729.07/199,928.45
  6. Step 6: Final answer
    x = 224,227.35

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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.