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Finding the Fourth Proportional to 463,707.26, 639,922.66 and 270,110

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Solution

The fourth proportional to 463,707.26, 639,922.66 and 270,110 is: 372,755.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,707.26 : 639,922.66 = 270,110 : x
  2. Step 2: Convert to fraction form
    463,707.26/639,922.66 = 270,110/x
  3. Step 3: Cross multiply
    463,707.26x = 639,922.66 × 270,110
  4. Step 4: Simplify right side
    463,707.26x = 172,849,509,692.60
  5. Step 5: Solve for x
    x = 172,849,509,692.60/463,707.26
  6. Step 6: Final answer
    x = 372,755.67

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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.