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Finding the Fourth Proportional to 215,952.80, 298,012.82 and 119,157.54

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Solution

The fourth proportional to 215,952.80, 298,012.82 and 119,157.54 is: 164,436.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,952.80 : 298,012.82 = 119,157.54 : x
  2. Step 2: Convert to fraction form
    215,952.80/298,012.82 = 119,157.54/x
  3. Step 3: Cross multiply
    215,952.80x = 298,012.82 × 119,157.54
  4. Step 4: Simplify right side
    215,952.80x = 35,510,474,519.66
  5. Step 5: Solve for x
    x = 35,510,474,519.66/215,952.80
  6. Step 6: Final answer
    x = 164,436.28

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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.