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Finding the Fourth Proportional to 371,898, 557,934.48 and 122,580

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Solution

The fourth proportional to 371,898, 557,934.48 and 122,580 is: 183,898.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,898 : 557,934.48 = 122,580 : x
  2. Step 2: Convert to fraction form
    371,898/557,934.48 = 122,580/x
  3. Step 3: Cross multiply
    371,898x = 557,934.48 × 122,580
  4. Step 4: Simplify right side
    371,898x = 68,391,608,558.40
  5. Step 5: Solve for x
    x = 68,391,608,558.40/371,898
  6. Step 6: Final answer
    x = 183,898.83

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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.