Home / 204,569.16-306,902-64,327.78

Finding the Fourth Proportional to 204,569.16, 306,902 and 64,327.78

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Solution

The fourth proportional to 204,569.16, 306,902 and 64,327.78 is: 96,506.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,569.16 : 306,902 = 64,327.78 : x
  2. Step 2: Convert to fraction form
    204,569.16/306,902 = 64,327.78/x
  3. Step 3: Cross multiply
    204,569.16x = 306,902 × 64,327.78
  4. Step 4: Simplify right side
    204,569.16x = 19,742,324,337.56
  5. Step 5: Solve for x
    x = 19,742,324,337.56/204,569.16
  6. Step 6: Final answer
    x = 96,506.85

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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.