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Finding the Fourth Proportional to 279,546.90, 419,320.35 and 244,554.90

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Solution

The fourth proportional to 279,546.90, 419,320.35 and 244,554.90 is: 366,832.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,546.90 : 419,320.35 = 244,554.90 : x
  2. Step 2: Convert to fraction form
    279,546.90/419,320.35 = 244,554.90/x
  3. Step 3: Cross multiply
    279,546.90x = 419,320.35 × 244,554.90
  4. Step 4: Simplify right side
    279,546.90x = 102,546,846,262.22
  5. Step 5: Solve for x
    x = 102,546,846,262.22/279,546.90
  6. Step 6: Final answer
    x = 366,832.35

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1.5x scale

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.