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Finding the Fourth Proportional to 351,573.61, 485,258.39 and 200,758.09

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Solution

The fourth proportional to 351,573.61, 485,258.39 and 200,758.09 is: 277,095.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,573.61 : 485,258.39 = 200,758.09 : x
  2. Step 2: Convert to fraction form
    351,573.61/485,258.39 = 200,758.09/x
  3. Step 3: Cross multiply
    351,573.61x = 485,258.39 × 200,758.09
  4. Step 4: Simplify right side
    351,573.61x = 97,419,547,532.88
  5. Step 5: Solve for x
    x = 97,419,547,532.88/351,573.61
  6. Step 6: Final answer
    x = 277,095.73

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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.