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Finding the Fourth Proportional to 259,540.56, 358,191.09 and 157,542.57

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Solution

The fourth proportional to 259,540.56, 358,191.09 and 157,542.57 is: 217,423.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,540.56 : 358,191.09 = 157,542.57 : x
  2. Step 2: Convert to fraction form
    259,540.56/358,191.09 = 157,542.57/x
  3. Step 3: Cross multiply
    259,540.56x = 358,191.09 × 157,542.57
  4. Step 4: Simplify right side
    259,540.56x = 56,430,344,869.70
  5. Step 5: Solve for x
    x = 56,430,344,869.70/259,540.56
  6. Step 6: Final answer
    x = 217,423.99

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1.5x scale

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.