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Finding the Fourth Proportional to 322,417.75, 444,902.66 and 179,154.67

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Solution

The fourth proportional to 322,417.75, 444,902.66 and 179,154.67 is: 247,214.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,417.75 : 444,902.66 = 179,154.67 : x
  2. Step 2: Convert to fraction form
    322,417.75/444,902.66 = 179,154.67/x
  3. Step 3: Cross multiply
    322,417.75x = 444,902.66 × 179,154.67
  4. Step 4: Simplify right side
    322,417.75x = 79,706,389,234.42
  5. Step 5: Solve for x
    x = 79,706,389,234.42/322,417.75
  6. Step 6: Final answer
    x = 247,214.64

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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.