Home / 381,079.48-525,933.04-219,977.76

Finding the Fourth Proportional to 381,079.48, 525,933.04 and 219,977.76

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Solution

The fourth proportional to 381,079.48, 525,933.04 and 219,977.76 is: 303,594.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,079.48 : 525,933.04 = 219,977.76 : x
  2. Step 2: Convert to fraction form
    381,079.48/525,933.04 = 219,977.76/x
  3. Step 3: Cross multiply
    381,079.48x = 525,933.04 × 219,977.76
  4. Step 4: Simplify right side
    381,079.48x = 115,693,572,049.19
  5. Step 5: Solve for x
    x = 115,693,572,049.19/381,079.48
  6. Step 6: Final answer
    x = 303,594.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.