Home / 286,545.82-395,442.11-157,481.93

Finding the Fourth Proportional to 286,545.82, 395,442.11 and 157,481.93

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Solution

The fourth proportional to 286,545.82, 395,442.11 and 157,481.93 is: 217,329.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,545.82 : 395,442.11 = 157,481.93 : x
  2. Step 2: Convert to fraction form
    286,545.82/395,442.11 = 157,481.93/x
  3. Step 3: Cross multiply
    286,545.82x = 395,442.11 × 157,481.93
  4. Step 4: Simplify right side
    286,545.82x = 62,274,988,845.93
  5. Step 5: Solve for x
    x = 62,274,988,845.93/286,545.82
  6. Step 6: Final answer
    x = 217,329.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.