Home / 285,917.28-428,892.72-96,362.08

Finding the Fourth Proportional to 285,917.28, 428,892.72 and 96,362.08

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Solution

The fourth proportional to 285,917.28, 428,892.72 and 96,362.08 is: 144,548.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,917.28 : 428,892.72 = 96,362.08 : x
  2. Step 2: Convert to fraction form
    285,917.28/428,892.72 = 96,362.08/x
  3. Step 3: Cross multiply
    285,917.28x = 428,892.72 × 96,362.08
  4. Step 4: Simplify right side
    285,917.28x = 41,328,994,596.06
  5. Step 5: Solve for x
    x = 41,328,994,596.06/285,917.28
  6. Step 6: Final answer
    x = 144,548.78

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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.