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Finding the Fourth Proportional to 481,502.88, 722,104.56 and 161,592.48

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Solution

The fourth proportional to 481,502.88, 722,104.56 and 161,592.48 is: 242,338.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,502.88 : 722,104.56 = 161,592.48 : x
  2. Step 2: Convert to fraction form
    481,502.88/722,104.56 = 161,592.48/x
  3. Step 3: Cross multiply
    481,502.88x = 722,104.56 × 161,592.48
  4. Step 4: Simplify right side
    481,502.88x = 116,686,666,669.71
  5. Step 5: Solve for x
    x = 116,686,666,669.71/481,502.88
  6. Step 6: Final answer
    x = 242,338.46

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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.