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Finding the Fourth Proportional to 339,014.02, 508,324.11 and 128,537.14

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Solution

The fourth proportional to 339,014.02, 508,324.11 and 128,537.14 is: 192,731.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,014.02 : 508,324.11 = 128,537.14 : x
  2. Step 2: Convert to fraction form
    339,014.02/508,324.11 = 128,537.14/x
  3. Step 3: Cross multiply
    339,014.02x = 508,324.11 × 128,537.14
  4. Step 4: Simplify right side
    339,014.02x = 65,338,527,292.45
  5. Step 5: Solve for x
    x = 65,338,527,292.45/339,014.02
  6. Step 6: Final answer
    x = 192,731.05

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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.