Home / 339,829.43-509,711.27-103,174.16

Finding the Fourth Proportional to 339,829.43, 509,711.27 and 103,174.16

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Solution

The fourth proportional to 339,829.43, 509,711.27 and 103,174.16 is: 154,751.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,829.43 : 509,711.27 = 103,174.16 : x
  2. Step 2: Convert to fraction form
    339,829.43/509,711.27 = 103,174.16/x
  3. Step 3: Cross multiply
    339,829.43x = 509,711.27 × 103,174.16
  4. Step 4: Simplify right side
    339,829.43x = 52,589,029,060.36
  5. Step 5: Solve for x
    x = 52,589,029,060.36/339,829.43
  6. Step 6: Final answer
    x = 154,751.25

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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.