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Finding the Fourth Proportional to 454,242.82, 626,846.97 and 253,034.50

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Solution

The fourth proportional to 454,242.82, 626,846.97 and 253,034.50 is: 349,183.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,242.82 : 626,846.97 = 253,034.50 : x
  2. Step 2: Convert to fraction form
    454,242.82/626,846.97 = 253,034.50/x
  3. Step 3: Cross multiply
    454,242.82x = 626,846.97 × 253,034.50
  4. Step 4: Simplify right side
    454,242.82x = 158,613,909,630.47
  5. Step 5: Solve for x
    x = 158,613,909,630.47/454,242.82
  6. Step 6: Final answer
    x = 349,183.09

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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.