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Finding the Fourth Proportional to 325,352.33, 449,011.85 and 239,702.93

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Solution

The fourth proportional to 325,352.33, 449,011.85 and 239,702.93 is: 330,808.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,352.33 : 449,011.85 = 239,702.93 : x
  2. Step 2: Convert to fraction form
    325,352.33/449,011.85 = 239,702.93/x
  3. Step 3: Cross multiply
    325,352.33x = 449,011.85 × 239,702.93
  4. Step 4: Simplify right side
    325,352.33x = 107,629,456,049.72
  5. Step 5: Solve for x
    x = 107,629,456,049.72/325,352.33
  6. Step 6: Final answer
    x = 330,808.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.