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Finding the Fourth Proportional to 279,299.88, 418,847.76 and 101,754.36

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Solution

The fourth proportional to 279,299.88, 418,847.76 and 101,754.36 is: 152,594.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,299.88 : 418,847.76 = 101,754.36 : x
  2. Step 2: Convert to fraction form
    279,299.88/418,847.76 = 101,754.36/x
  3. Step 3: Cross multiply
    279,299.88x = 418,847.76 × 101,754.36
  4. Step 4: Simplify right side
    279,299.88x = 42,619,585,756.23
  5. Step 5: Solve for x
    x = 42,619,585,756.23/279,299.88
  6. Step 6: Final answer
    x = 152,594.36

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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.