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Finding the Fourth Proportional to 371,474.46, 512,651.97 and 210,308.22

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Solution

The fourth proportional to 371,474.46, 512,651.97 and 210,308.22 is: 290,235.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,474.46 : 512,651.97 = 210,308.22 : x
  2. Step 2: Convert to fraction form
    371,474.46/512,651.97 = 210,308.22/x
  3. Step 3: Cross multiply
    371,474.46x = 512,651.97 × 210,308.22
  4. Step 4: Simplify right side
    371,474.46x = 107,814,923,290.19
  5. Step 5: Solve for x
    x = 107,814,923,290.19/371,474.46
  6. Step 6: Final answer
    x = 290,235.09

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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.