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Finding the Fourth Proportional to 199,535.07, 299,214.53 and 74,788.59

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Solution

The fourth proportional to 199,535.07, 299,214.53 and 74,788.59 is: 112,149.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,535.07 : 299,214.53 = 74,788.59 : x
  2. Step 2: Convert to fraction form
    199,535.07/299,214.53 = 74,788.59/x
  3. Step 3: Cross multiply
    199,535.07x = 299,214.53 × 74,788.59
  4. Step 4: Simplify right side
    199,535.07x = 22,377,832,432.27
  5. Step 5: Solve for x
    x = 22,377,832,432.27/199,535.07
  6. Step 6: Final answer
    x = 112,149.87

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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.