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Finding the Fourth Proportional to 338,169, 466,673.36 and 187,266

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Solution

The fourth proportional to 338,169, 466,673.36 and 187,266 is: 258,427.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,169 : 466,673.36 = 187,266 : x
  2. Step 2: Convert to fraction form
    338,169/466,673.36 = 187,266/x
  3. Step 3: Cross multiply
    338,169x = 466,673.36 × 187,266
  4. Step 4: Simplify right side
    338,169x = 87,392,052,497.43
  5. Step 5: Solve for x
    x = 87,392,052,497.43/338,169
  6. Step 6: Final answer
    x = 258,427.15

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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.