Home / 342,789.81-473,044.08-189,824.72

Finding the Fourth Proportional to 342,789.81, 473,044.08 and 189,824.72

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Solution

The fourth proportional to 342,789.81, 473,044.08 and 189,824.72 is: 261,954.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,789.81 : 473,044.08 = 189,824.72 : x
  2. Step 2: Convert to fraction form
    342,789.81/473,044.08 = 189,824.72/x
  3. Step 3: Cross multiply
    342,789.81x = 473,044.08 × 189,824.72
  4. Step 4: Simplify right side
    342,789.81x = 89,795,458,380.28
  5. Step 5: Solve for x
    x = 89,795,458,380.28/342,789.81
  6. Step 6: Final answer
    x = 261,954.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.