Home / 767,857.38-1,151,954.15-235,419.95

Finding the Fourth Proportional to 767,857.38, 1,151,954.15 and 235,419.95

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Solution

The fourth proportional to 767,857.38, 1,151,954.15 and 235,419.95 is: 353,181.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,857.38 : 1,151,954.15 = 235,419.95 : x
  2. Step 2: Convert to fraction form
    767,857.38/1,151,954.15 = 235,419.95/x
  3. Step 3: Cross multiply
    767,857.38x = 1,151,954.15 × 235,419.95
  4. Step 4: Simplify right side
    767,857.38x = 271,192,981,458.42
  5. Step 5: Solve for x
    x = 271,192,981,458.42/767,857.38
  6. Step 6: Final answer
    x = 353,181.45

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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.