Home / 257,822.60-386,744.27-122,817.27

Finding the Fourth Proportional to 257,822.60, 386,744.27 and 122,817.27

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Solution

The fourth proportional to 257,822.60, 386,744.27 and 122,817.27 is: 184,230.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,822.60 : 386,744.27 = 122,817.27 : x
  2. Step 2: Convert to fraction form
    257,822.60/386,744.27 = 122,817.27/x
  3. Step 3: Cross multiply
    257,822.60x = 386,744.27 × 122,817.27
  4. Step 4: Simplify right side
    257,822.60x = 47,498,874,815.46
  5. Step 5: Solve for x
    x = 47,498,874,815.46/257,822.60
  6. Step 6: Final answer
    x = 184,230.84

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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.