Home / 389,844.54-584,916.39-137,151.27

Finding the Fourth Proportional to 389,844.54, 584,916.39 and 137,151.27

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Solution

The fourth proportional to 389,844.54, 584,916.39 and 137,151.27 is: 205,779.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,844.54 : 584,916.39 = 137,151.27 : x
  2. Step 2: Convert to fraction form
    389,844.54/584,916.39 = 137,151.27/x
  3. Step 3: Cross multiply
    389,844.54x = 584,916.39 × 137,151.27
  4. Step 4: Simplify right side
    389,844.54x = 80,222,025,732.32
  5. Step 5: Solve for x
    x = 80,222,025,732.32/389,844.54
  6. Step 6: Final answer
    x = 205,779.53

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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.