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Finding the Fourth Proportional to 481,652.46, 722,480.43 and 161,795.22

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Solution

The fourth proportional to 481,652.46, 722,480.43 and 161,795.22 is: 242,693.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,652.46 : 722,480.43 = 161,795.22 : x
  2. Step 2: Convert to fraction form
    481,652.46/722,480.43 = 161,795.22/x
  3. Step 3: Cross multiply
    481,652.46x = 722,480.43 × 161,795.22
  4. Step 4: Simplify right side
    481,652.46x = 116,893,880,117.55
  5. Step 5: Solve for x
    x = 116,893,880,117.55/481,652.46
  6. Step 6: Final answer
    x = 242,693.41

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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.