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Finding the Fourth Proportional to 240,835.44, 361,134.09 and 141,020.76

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Solution

The fourth proportional to 240,835.44, 361,134.09 and 141,020.76 is: 211,461.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,835.44 : 361,134.09 = 141,020.76 : x
  2. Step 2: Convert to fraction form
    240,835.44/361,134.09 = 141,020.76/x
  3. Step 3: Cross multiply
    240,835.44x = 361,134.09 × 141,020.76
  4. Step 4: Simplify right side
    240,835.44x = 50,927,403,833.71
  5. Step 5: Solve for x
    x = 50,927,403,833.71/240,835.44
  6. Step 6: Final answer
    x = 211,461.42

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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.