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Finding the Fourth Proportional to 284,516.70, 425,853.45 and 221,847.90

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Solution

The fourth proportional to 284,516.70, 425,853.45 and 221,847.90 is: 332,053.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,516.70 : 425,853.45 = 221,847.90 : x
  2. Step 2: Convert to fraction form
    284,516.70/425,853.45 = 221,847.90/x
  3. Step 3: Cross multiply
    284,516.70x = 425,853.45 × 221,847.90
  4. Step 4: Simplify right side
    284,516.70x = 94,474,693,590.26
  5. Step 5: Solve for x
    x = 94,474,693,590.26/284,516.70
  6. Step 6: Final answer
    x = 332,053.25

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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.