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Finding the Fourth Proportional to 371,523.49, 512,697.90 and 201,758.83

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Solution

The fourth proportional to 371,523.49, 512,697.90 and 201,758.83 is: 278,424.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,523.49 : 512,697.90 = 201,758.83 : x
  2. Step 2: Convert to fraction form
    371,523.49/512,697.90 = 201,758.83/x
  3. Step 3: Cross multiply
    371,523.49x = 512,697.90 × 201,758.83
  4. Step 4: Simplify right side
    371,523.49x = 103,441,328,447.46
  5. Step 5: Solve for x
    x = 103,441,328,447.46/371,523.49
  6. Step 6: Final answer
    x = 278,424.73

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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.