Home / 389,845.54-584,917.89-137,152.27

Finding the Fourth Proportional to 389,845.54, 584,917.89 and 137,152.27

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Solution

The fourth proportional to 389,845.54, 584,917.89 and 137,152.27 is: 205,781.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,845.54 : 584,917.89 = 137,152.27 : x
  2. Step 2: Convert to fraction form
    389,845.54/584,917.89 = 137,152.27/x
  3. Step 3: Cross multiply
    389,845.54x = 584,917.89 × 137,152.27
  4. Step 4: Simplify right side
    389,845.54x = 80,222,816,377.11
  5. Step 5: Solve for x
    x = 80,222,816,377.11/389,845.54
  6. Step 6: Final answer
    x = 205,781.03

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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.