Home / 251,633.45-377,476.39-80,812.00

Finding the Fourth Proportional to 251,633.45, 377,476.39 and 80,812.00

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Solution

The fourth proportional to 251,633.45, 377,476.39 and 80,812.00 is: 121,226.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,633.45 : 377,476.39 = 80,812.00 : x
  2. Step 2: Convert to fraction form
    251,633.45/377,476.39 = 80,812.00/x
  3. Step 3: Cross multiply
    251,633.45x = 377,476.39 × 80,812.00
  4. Step 4: Simplify right side
    251,633.45x = 30,504,623,549.55
  5. Step 5: Solve for x
    x = 30,504,623,549.55/251,633.45
  6. Step 6: Final answer
    x = 121,226.43

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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.