Home / 204,471.30-307,154.07-145,684.74

Finding the Fourth Proportional to 204,471.30, 307,154.07 and 145,684.74

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Solution

The fourth proportional to 204,471.30, 307,154.07 and 145,684.74 is: 218,845.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,471.30 : 307,154.07 = 145,684.74 : x
  2. Step 2: Convert to fraction form
    204,471.30/307,154.07 = 145,684.74/x
  3. Step 3: Cross multiply
    204,471.30x = 307,154.07 × 145,684.74
  4. Step 4: Simplify right side
    204,471.30x = 44,747,660,827.89
  5. Step 5: Solve for x
    x = 44,747,660,827.89/204,471.30
  6. Step 6: Final answer
    x = 218,845.68

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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.