Home / 339,868.44-509,769.54-103,213.16

Finding the Fourth Proportional to 339,868.44, 509,769.54 and 103,213.16

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Solution

The fourth proportional to 339,868.44, 509,769.54 and 103,213.16 is: 154,809.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,868.44 : 509,769.54 = 103,213.16 : x
  2. Step 2: Convert to fraction form
    339,868.44/509,769.54 = 103,213.16/x
  3. Step 3: Cross multiply
    339,868.44x = 509,769.54 × 103,213.16
  4. Step 4: Simplify right side
    339,868.44x = 52,614,925,095.15
  5. Step 5: Solve for x
    x = 52,614,925,095.15/339,868.44
  6. Step 6: Final answer
    x = 154,809.68

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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.