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Finding the Fourth Proportional to 339,351, 508,801.84 and 161,885.40

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Solution

The fourth proportional to 339,351, 508,801.84 and 161,885.40 is: 242,720.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,351 : 508,801.84 = 161,885.40 : x
  2. Step 2: Convert to fraction form
    339,351/508,801.84 = 161,885.40/x
  3. Step 3: Cross multiply
    339,351x = 508,801.84 × 161,885.40
  4. Step 4: Simplify right side
    339,351x = 82,367,589,389.14
  5. Step 5: Solve for x
    x = 82,367,589,389.14/339,351
  6. Step 6: Final answer
    x = 242,720.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.