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Finding the Fourth Proportional to 341,894.48, 512,863.60 and 131,532.42

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Solution

The fourth proportional to 341,894.48, 512,863.60 and 131,532.42 is: 197,307.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,894.48 : 512,863.60 = 131,532.42 : x
  2. Step 2: Convert to fraction form
    341,894.48/512,863.60 = 131,532.42/x
  3. Step 3: Cross multiply
    341,894.48x = 512,863.60 × 131,532.42
  4. Step 4: Simplify right side
    341,894.48x = 67,458,190,437.91
  5. Step 5: Solve for x
    x = 67,458,190,437.91/341,894.48
  6. Step 6: Final answer
    x = 197,307.05

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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.