Home / 204,504.56-306,614.50-90,590.51

Finding the Fourth Proportional to 204,504.56, 306,614.50 and 90,590.51

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Solution

The fourth proportional to 204,504.56, 306,614.50 and 90,590.51 is: 135,822.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,504.56 : 306,614.50 = 90,590.51 : x
  2. Step 2: Convert to fraction form
    204,504.56/306,614.50 = 90,590.51/x
  3. Step 3: Cross multiply
    204,504.56x = 306,614.50 × 90,590.51
  4. Step 4: Simplify right side
    204,504.56x = 27,776,364,468.46
  5. Step 5: Solve for x
    x = 27,776,364,468.46/204,504.56
  6. Step 6: Final answer
    x = 135,822.72

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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.