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Finding the Fourth Proportional to 342,833.56, 473,074.27 and 189,867.75

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Solution

The fourth proportional to 342,833.56, 473,074.27 and 189,867.75 is: 261,997.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,833.56 : 473,074.27 = 189,867.75 : x
  2. Step 2: Convert to fraction form
    342,833.56/473,074.27 = 189,867.75/x
  3. Step 3: Cross multiply
    342,833.56x = 473,074.27 × 189,867.75
  4. Step 4: Simplify right side
    342,833.56x = 89,821,546,047.10
  5. Step 5: Solve for x
    x = 89,821,546,047.10/342,833.56
  6. Step 6: Final answer
    x = 261,997.53

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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.