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Finding the Fourth Proportional to 219,847.40, 329,771.10 and 149,863.40

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Solution

The fourth proportional to 219,847.40, 329,771.10 and 149,863.40 is: 224,795.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,847.40 : 329,771.10 = 149,863.40 : x
  2. Step 2: Convert to fraction form
    219,847.40/329,771.10 = 149,863.40/x
  3. Step 3: Cross multiply
    219,847.40x = 329,771.10 × 149,863.40
  4. Step 4: Simplify right side
    219,847.40x = 49,420,618,267.74
  5. Step 5: Solve for x
    x = 49,420,618,267.74/219,847.40
  6. Step 6: Final answer
    x = 224,795.10

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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.