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Finding the Fourth Proportional to 371,488.38, 512,658.63 and 201,725.34

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Solution

The fourth proportional to 371,488.38, 512,658.63 and 201,725.34 is: 278,383.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,488.38 : 512,658.63 = 201,725.34 : x
  2. Step 2: Convert to fraction form
    371,488.38/512,658.63 = 201,725.34/x
  3. Step 3: Cross multiply
    371,488.38x = 512,658.63 × 201,725.34
  4. Step 4: Simplify right side
    371,488.38x = 103,416,236,440.68
  5. Step 5: Solve for x
    x = 103,416,236,440.68/371,488.38
  6. Step 6: Final answer
    x = 278,383.50

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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.