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Finding the Fourth Proportional to 311,996.80, 466,763.91 and 236,313.37

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Solution

The fourth proportional to 311,996.80, 466,763.91 and 236,313.37 is: 353,537.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,996.80 : 466,763.91 = 236,313.37 : x
  2. Step 2: Convert to fraction form
    311,996.80/466,763.91 = 236,313.37/x
  3. Step 3: Cross multiply
    311,996.80x = 466,763.91 × 236,313.37
  4. Step 4: Simplify right side
    311,996.80x = 110,302,552,566.48
  5. Step 5: Solve for x
    x = 110,302,552,566.48/311,996.80
  6. Step 6: Final answer
    x = 353,537.45

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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.