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Finding the Fourth Proportional to 199,613.70, 299,420.55 and 179,930.70

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Solution

The fourth proportional to 199,613.70, 299,420.55 and 179,930.70 is: 269,896.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,613.70 : 299,420.55 = 179,930.70 : x
  2. Step 2: Convert to fraction form
    199,613.70/299,420.55 = 179,930.70/x
  3. Step 3: Cross multiply
    199,613.70x = 299,420.55 × 179,930.70
  4. Step 4: Simplify right side
    199,613.70x = 53,874,949,155.89
  5. Step 5: Solve for x
    x = 53,874,949,155.89/199,613.70
  6. Step 6: Final answer
    x = 269,896.05

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1.5x scale

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.