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Finding the Fourth Proportional to 217,773.03, 300,535.31 and 149,006.74

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Solution

The fourth proportional to 217,773.03, 300,535.31 and 149,006.74 is: 205,635.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,773.03 : 300,535.31 = 149,006.74 : x
  2. Step 2: Convert to fraction form
    217,773.03/300,535.31 = 149,006.74/x
  3. Step 3: Cross multiply
    217,773.03x = 300,535.31 × 149,006.74
  4. Step 4: Simplify right side
    217,773.03x = 44,781,786,982.67
  5. Step 5: Solve for x
    x = 44,781,786,982.67/217,773.03
  6. Step 6: Final answer
    x = 205,635.14

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1.5x scale

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.