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Finding the Fourth Proportional to 294,932.82, 440,246.10 and 253,081.84

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Solution

The fourth proportional to 294,932.82, 440,246.10 and 253,081.84 is: 377,775.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,932.82 : 440,246.10 = 253,081.84 : x
  2. Step 2: Convert to fraction form
    294,932.82/440,246.10 = 253,081.84/x
  3. Step 3: Cross multiply
    294,932.82x = 440,246.10 × 253,081.84
  4. Step 4: Simplify right side
    294,932.82x = 111,418,292,572.91
  5. Step 5: Solve for x
    x = 111,418,292,572.91/294,932.82
  6. Step 6: Final answer
    x = 377,775.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.