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Finding the Fourth Proportional to 481,500.22, 722,248.66 and 144,539.51

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Solution

The fourth proportional to 481,500.22, 722,248.66 and 144,539.51 is: 216,808.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,500.22 : 722,248.66 = 144,539.51 : x
  2. Step 2: Convert to fraction form
    481,500.22/722,248.66 = 144,539.51/x
  3. Step 3: Cross multiply
    481,500.22x = 722,248.66 × 144,539.51
  4. Step 4: Simplify right side
    481,500.22x = 104,393,467,414.56
  5. Step 5: Solve for x
    x = 104,393,467,414.56/481,500.22
  6. Step 6: Final answer
    x = 216,808.76

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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.