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Finding the Fourth Proportional to 235,460.91, 353,158.09 and 75,516.05

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Solution

The fourth proportional to 235,460.91, 353,158.09 and 75,516.05 is: 113,263.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,460.91 : 353,158.09 = 75,516.05 : x
  2. Step 2: Convert to fraction form
    235,460.91/353,158.09 = 75,516.05/x
  3. Step 3: Cross multiply
    235,460.91x = 353,158.09 × 75,516.05
  4. Step 4: Simplify right side
    235,460.91x = 26,669,103,604.76
  5. Step 5: Solve for x
    x = 26,669,103,604.76/235,460.91
  6. Step 6: Final answer
    x = 113,263.40

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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.