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Finding the Fourth Proportional to 333,842.75, 460,722.45 and 188,644.83

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Solution

The fourth proportional to 333,842.75, 460,722.45 and 188,644.83 is: 260,340.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,842.75 : 460,722.45 = 188,644.83 : x
  2. Step 2: Convert to fraction form
    333,842.75/460,722.45 = 188,644.83/x
  3. Step 3: Cross multiply
    333,842.75x = 460,722.45 × 188,644.83
  4. Step 4: Simplify right side
    333,842.75x = 86,912,908,101.00
  5. Step 5: Solve for x
    x = 86,912,908,101.00/333,842.75
  6. Step 6: Final answer
    x = 260,340.86

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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.