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Finding the Fourth Proportional to 273,776.29, 410,922.05 and 138,937.17

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Solution

The fourth proportional to 273,776.29, 410,922.05 and 138,937.17 is: 208,536.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,776.29 : 410,922.05 = 138,937.17 : x
  2. Step 2: Convert to fraction form
    273,776.29/410,922.05 = 138,937.17/x
  3. Step 3: Cross multiply
    273,776.29x = 410,922.05 × 138,937.17
  4. Step 4: Simplify right side
    273,776.29x = 57,092,343,968.30
  5. Step 5: Solve for x
    x = 57,092,343,968.30/273,776.29
  6. Step 6: Final answer
    x = 208,536.48

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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.