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Finding the Fourth Proportional to 610,093.98, 915,391.62 and 268,361.46

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Solution

The fourth proportional to 610,093.98, 915,391.62 and 268,361.46 is: 402,652.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,093.98 : 915,391.62 = 268,361.46 : x
  2. Step 2: Convert to fraction form
    610,093.98/915,391.62 = 268,361.46/x
  3. Step 3: Cross multiply
    610,093.98x = 915,391.62 × 268,361.46
  4. Step 4: Simplify right side
    610,093.98x = 245,655,831,614.97
  5. Step 5: Solve for x
    x = 245,655,831,614.97/610,093.98
  6. Step 6: Final answer
    x = 402,652.44

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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.