Home / 204,215.16-306,337.36-54,454.66

Finding the Fourth Proportional to 204,215.16, 306,337.36 and 54,454.66

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Solution

The fourth proportional to 204,215.16, 306,337.36 and 54,454.66 is: 81,685.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,215.16 : 306,337.36 = 54,454.66 : x
  2. Step 2: Convert to fraction form
    204,215.16/306,337.36 = 54,454.66/x
  3. Step 3: Cross multiply
    204,215.16x = 306,337.36 × 54,454.66
  4. Step 4: Simplify right side
    204,215.16x = 16,681,496,784.10
  5. Step 5: Solve for x
    x = 16,681,496,784.10/204,215.16
  6. Step 6: Final answer
    x = 81,685.89

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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.