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Finding the Fourth Proportional to 253,951.34, 380,592.81 and 141,684.43

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Solution

The fourth proportional to 253,951.34, 380,592.81 and 141,684.43 is: 212,340.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,951.34 : 380,592.81 = 141,684.43 : x
  2. Step 2: Convert to fraction form
    253,951.34/380,592.81 = 141,684.43/x
  3. Step 3: Cross multiply
    253,951.34x = 380,592.81 × 141,684.43
  4. Step 4: Simplify right side
    253,951.34x = 53,924,075,346.95
  5. Step 5: Solve for x
    x = 53,924,075,346.95/253,951.34
  6. Step 6: Final answer
    x = 212,340.19

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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.