Home / 215,783.28-323,741.92-193,456.08

Finding the Fourth Proportional to 215,783.28, 323,741.92 and 193,456.08

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Solution

The fourth proportional to 215,783.28, 323,741.92 and 193,456.08 is: 290,244.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,783.28 : 323,741.92 = 193,456.08 : x
  2. Step 2: Convert to fraction form
    215,783.28/323,741.92 = 193,456.08/x
  3. Step 3: Cross multiply
    215,783.28x = 323,741.92 × 193,456.08
  4. Step 4: Simplify right side
    215,783.28x = 62,629,842,774.87
  5. Step 5: Solve for x
    x = 62,629,842,774.87/215,783.28
  6. Step 6: Final answer
    x = 290,244.19

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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.