Home / 341,835.73-512,654.77-131,423.65

Finding the Fourth Proportional to 341,835.73, 512,654.77 and 131,423.65

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Solution

The fourth proportional to 341,835.73, 512,654.77 and 131,423.65 is: 197,097.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,835.73 : 512,654.77 = 131,423.65 : x
  2. Step 2: Convert to fraction form
    341,835.73/512,654.77 = 131,423.65/x
  3. Step 3: Cross multiply
    341,835.73x = 512,654.77 × 131,423.65
  4. Step 4: Simplify right side
    341,835.73x = 67,374,961,063.31
  5. Step 5: Solve for x
    x = 67,374,961,063.31/341,835.73
  6. Step 6: Final answer
    x = 197,097.48

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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.