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Finding the Fourth Proportional to 373,043.49, 559,620.78 and 133,138.77

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Solution

The fourth proportional to 373,043.49, 559,620.78 and 133,138.77 is: 199,727.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,043.49 : 559,620.78 = 133,138.77 : x
  2. Step 2: Convert to fraction form
    373,043.49/559,620.78 = 133,138.77/x
  3. Step 3: Cross multiply
    373,043.49x = 559,620.78 × 133,138.77
  4. Step 4: Simplify right side
    373,043.49x = 74,507,222,315.64
  5. Step 5: Solve for x
    x = 74,507,222,315.64/373,043.49
  6. Step 6: Final answer
    x = 199,727.98

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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.