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Finding the Fourth Proportional to 338,029.07, 466,796.21 and 217,379.87

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Solution

The fourth proportional to 338,029.07, 466,796.21 and 217,379.87 is: 300,187.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,029.07 : 466,796.21 = 217,379.87 : x
  2. Step 2: Convert to fraction form
    338,029.07/466,796.21 = 217,379.87/x
  3. Step 3: Cross multiply
    338,029.07x = 466,796.21 × 217,379.87
  4. Step 4: Simplify right side
    338,029.07x = 101,472,096,025.41
  5. Step 5: Solve for x
    x = 101,472,096,025.41/338,029.07
  6. Step 6: Final answer
    x = 300,187.49

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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.