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Finding the Fourth Proportional to 223,724.40, 335,586.60 and 215,122.80

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Solution

The fourth proportional to 223,724.40, 335,586.60 and 215,122.80 is: 322,684.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,724.40 : 335,586.60 = 215,122.80 : x
  2. Step 2: Convert to fraction form
    223,724.40/335,586.60 = 215,122.80/x
  3. Step 3: Cross multiply
    223,724.40x = 335,586.60 × 215,122.80
  4. Step 4: Simplify right side
    223,724.40x = 72,192,329,034.48
  5. Step 5: Solve for x
    x = 72,192,329,034.48/223,724.40
  6. Step 6: Final answer
    x = 322,684.20

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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.