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Finding the Fourth Proportional to 332,699.78, 459,126.88 and 181,796.78

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Solution

The fourth proportional to 332,699.78, 459,126.88 and 181,796.78 is: 250,880.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,699.78 : 459,126.88 = 181,796.78 : x
  2. Step 2: Convert to fraction form
    332,699.78/459,126.88 = 181,796.78/x
  3. Step 3: Cross multiply
    332,699.78x = 459,126.88 × 181,796.78
  4. Step 4: Simplify right side
    332,699.78x = 83,467,788,395.45
  5. Step 5: Solve for x
    x = 83,467,788,395.45/332,699.78
  6. Step 6: Final answer
    x = 250,880.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.