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Finding the Fourth Proportional to 191,452.56, 287,158.56 and 51,225.36

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Solution

The fourth proportional to 191,452.56, 287,158.56 and 51,225.36 is: 76,832.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,452.56 : 287,158.56 = 51,225.36 : x
  2. Step 2: Convert to fraction form
    191,452.56/287,158.56 = 51,225.36/x
  3. Step 3: Cross multiply
    191,452.56x = 287,158.56 × 51,225.36
  4. Step 4: Simplify right side
    191,452.56x = 14,709,800,613.08
  5. Step 5: Solve for x
    x = 14,709,800,613.08/191,452.56
  6. Step 6: Final answer
    x = 76,832.61

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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.