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Finding the Fourth Proportional to 220,930.00, 304,874.69 and 135,032.87

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Solution

The fourth proportional to 220,930.00, 304,874.69 and 135,032.87 is: 186,340.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,930.00 : 304,874.69 = 135,032.87 : x
  2. Step 2: Convert to fraction form
    220,930.00/304,874.69 = 135,032.87/x
  3. Step 3: Cross multiply
    220,930.00x = 304,874.69 × 135,032.87
  4. Step 4: Simplify right side
    220,930.00x = 41,168,104,468.08
  5. Step 5: Solve for x
    x = 41,168,104,468.08/220,930.00
  6. Step 6: Final answer
    x = 186,340.04

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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.