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Finding the Fourth Proportional to 202,668.26, 279,682.10 and 112,024.29

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Solution

The fourth proportional to 202,668.26, 279,682.10 and 112,024.29 is: 154,593.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,668.26 : 279,682.10 = 112,024.29 : x
  2. Step 2: Convert to fraction form
    202,668.26/279,682.10 = 112,024.29/x
  3. Step 3: Cross multiply
    202,668.26x = 279,682.10 × 112,024.29
  4. Step 4: Simplify right side
    202,668.26x = 31,331,189,272.98
  5. Step 5: Solve for x
    x = 31,331,189,272.98/202,668.26
  6. Step 6: Final answer
    x = 154,593.46

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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.