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Finding the Fourth Proportional to 538,002.70, 806,658.45 and 222,585.10

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Solution

The fourth proportional to 538,002.70, 806,658.45 and 222,585.10 is: 333,734.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,002.70 : 806,658.45 = 222,585.10 : x
  2. Step 2: Convert to fraction form
    538,002.70/806,658.45 = 222,585.10/x
  3. Step 3: Cross multiply
    538,002.70x = 806,658.45 × 222,585.10
  4. Step 4: Simplify right side
    538,002.70x = 179,550,151,759.10
  5. Step 5: Solve for x
    x = 179,550,151,759.10/538,002.70
  6. Step 6: Final answer
    x = 333,734.67

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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.