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Finding the Fourth Proportional to 342,235.96, 513,314.70 and 89,540.85

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Solution

The fourth proportional to 342,235.96, 513,314.70 and 89,540.85 is: 134,301.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,235.96 : 513,314.70 = 89,540.85 : x
  2. Step 2: Convert to fraction form
    342,235.96/513,314.70 = 89,540.85/x
  3. Step 3: Cross multiply
    342,235.96x = 513,314.70 × 89,540.85
  4. Step 4: Simplify right side
    342,235.96x = 45,962,634,555.50
  5. Step 5: Solve for x
    x = 45,962,634,555.50/342,235.96
  6. Step 6: Final answer
    x = 134,301.01

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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.