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Finding the Fourth Proportional to 339,993.51, 509,984.50 and 118,371.75

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Solution

The fourth proportional to 339,993.51, 509,984.50 and 118,371.75 is: 177,555.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,993.51 : 509,984.50 = 118,371.75 : x
  2. Step 2: Convert to fraction form
    339,993.51/509,984.50 = 118,371.75/x
  3. Step 3: Cross multiply
    339,993.51x = 509,984.50 × 118,371.75
  4. Step 4: Simplify right side
    339,993.51x = 60,367,757,737.88
  5. Step 5: Solve for x
    x = 60,367,757,737.88/339,993.51
  6. Step 6: Final answer
    x = 177,555.62

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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.