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Finding the Fourth Proportional to 322,081.18, 485,050.76 and 293,351.02

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Solution

The fourth proportional to 322,081.18, 485,050.76 and 293,351.02 is: 441,783.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,081.18 : 485,050.76 = 293,351.02 : x
  2. Step 2: Convert to fraction form
    322,081.18/485,050.76 = 293,351.02/x
  3. Step 3: Cross multiply
    322,081.18x = 485,050.76 × 293,351.02
  4. Step 4: Simplify right side
    322,081.18x = 142,290,135,197.78
  5. Step 5: Solve for x
    x = 142,290,135,197.78/322,081.18
  6. Step 6: Final answer
    x = 441,783.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.