Home / 339,384.18-509,082.75-102,725.94

Finding the Fourth Proportional to 339,384.18, 509,082.75 and 102,725.94

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Solution

The fourth proportional to 339,384.18, 509,082.75 and 102,725.94 is: 154,090.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,384.18 : 509,082.75 = 102,725.94 : x
  2. Step 2: Convert to fraction form
    339,384.18/509,082.75 = 102,725.94/x
  3. Step 3: Cross multiply
    339,384.18x = 509,082.75 × 102,725.94
  4. Step 4: Simplify right side
    339,384.18x = 52,296,004,031.54
  5. Step 5: Solve for x
    x = 52,296,004,031.54/339,384.18
  6. Step 6: Final answer
    x = 154,090.87

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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.