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Finding the Fourth Proportional to 201,204.68, 277,582.88 and 129,626.44

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Solution

The fourth proportional to 201,204.68, 277,582.88 and 129,626.44 is: 178,833.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204.68 : 277,582.88 = 129,626.44 : x
  2. Step 2: Convert to fraction form
    201,204.68/277,582.88 = 129,626.44/x
  3. Step 3: Cross multiply
    201,204.68x = 277,582.88 × 129,626.44
  4. Step 4: Simplify right side
    201,204.68x = 35,982,080,169.46
  5. Step 5: Solve for x
    x = 35,982,080,169.46/201,204.68
  6. Step 6: Final answer
    x = 178,833.22

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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.