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Finding the Fourth Proportional to 252,952.05, 379,493.69 and 134,526

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Solution

The fourth proportional to 252,952.05, 379,493.69 and 134,526 is: 201,823.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,952.05 : 379,493.69 = 134,526 : x
  2. Step 2: Convert to fraction form
    252,952.05/379,493.69 = 134,526/x
  3. Step 3: Cross multiply
    252,952.05x = 379,493.69 × 134,526
  4. Step 4: Simplify right side
    252,952.05x = 51,051,767,468.31
  5. Step 5: Solve for x
    x = 51,051,767,468.31/252,952.05
  6. Step 6: Final answer
    x = 201,823.89

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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.