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Finding the Fourth Proportional to 221,507.56, 332,266.02 and 79,362.10

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Solution

The fourth proportional to 221,507.56, 332,266.02 and 79,362.10 is: 119,044.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,507.56 : 332,266.02 = 79,362.10 : x
  2. Step 2: Convert to fraction form
    221,507.56/332,266.02 = 79,362.10/x
  3. Step 3: Cross multiply
    221,507.56x = 332,266.02 × 79,362.10
  4. Step 4: Simplify right side
    221,507.56x = 26,369,329,105.84
  5. Step 5: Solve for x
    x = 26,369,329,105.84/221,507.56
  6. Step 6: Final answer
    x = 119,044.83

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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.