Home / 199,426.20-299,139.30-177,307.80

Finding the Fourth Proportional to 199,426.20, 299,139.30 and 177,307.80

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Solution

The fourth proportional to 199,426.20, 299,139.30 and 177,307.80 is: 265,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,426.20 : 299,139.30 = 177,307.80 : x
  2. Step 2: Convert to fraction form
    199,426.20/299,139.30 = 177,307.80/x
  3. Step 3: Cross multiply
    199,426.20x = 299,139.30 × 177,307.80
  4. Step 4: Simplify right side
    199,426.20x = 53,039,731,176.54
  5. Step 5: Solve for x
    x = 53,039,731,176.54/199,426.20
  6. Step 6: Final answer
    x = 265,961.70

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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.