Home / 201,640.49-302,285.76-101,717.27

Finding the Fourth Proportional to 201,640.49, 302,285.76 and 101,717.27

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Solution

The fourth proportional to 201,640.49, 302,285.76 and 101,717.27 is: 152,487.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,640.49 : 302,285.76 = 101,717.27 : x
  2. Step 2: Convert to fraction form
    201,640.49/302,285.76 = 101,717.27/x
  3. Step 3: Cross multiply
    201,640.49x = 302,285.76 × 101,717.27
  4. Step 4: Simplify right side
    201,640.49x = 30,747,680,755.65
  5. Step 5: Solve for x
    x = 30,747,680,755.65/201,640.49
  6. Step 6: Final answer
    x = 152,487.64

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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.