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Finding the Fourth Proportional to 221,551.00, 305,635.68 and 130,846.39

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Solution

The fourth proportional to 221,551.00, 305,635.68 and 130,846.39 is: 180,506.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,551.00 : 305,635.68 = 130,846.39 : x
  2. Step 2: Convert to fraction form
    221,551.00/305,635.68 = 130,846.39/x
  3. Step 3: Cross multiply
    221,551.00x = 305,635.68 × 130,846.39
  4. Step 4: Simplify right side
    221,551.00x = 39,991,324,619.11
  5. Step 5: Solve for x
    x = 39,991,324,619.11/221,551.00
  6. Step 6: Final answer
    x = 180,506.18

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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.