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Finding the Fourth Proportional to 426,143.70, 588,178.96 and 244,960.73

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Solution

The fourth proportional to 426,143.70, 588,178.96 and 244,960.73 is: 338,103.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,143.70 : 588,178.96 = 244,960.73 : x
  2. Step 2: Convert to fraction form
    426,143.70/588,178.96 = 244,960.73/x
  3. Step 3: Cross multiply
    426,143.70x = 588,178.96 × 244,960.73
  4. Step 4: Simplify right side
    426,143.70x = 144,080,747,657.89
  5. Step 5: Solve for x
    x = 144,080,747,657.89/426,143.70
  6. Step 6: Final answer
    x = 338,103.67

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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.