Home / 322,516.10-481,052.94-280,062.34

Finding the Fourth Proportional to 322,516.10, 481,052.94 and 280,062.34

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Solution

The fourth proportional to 322,516.10, 481,052.94 and 280,062.34 is: 417,730.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,516.10 : 481,052.94 = 280,062.34 : x
  2. Step 2: Convert to fraction form
    322,516.10/481,052.94 = 280,062.34/x
  3. Step 3: Cross multiply
    322,516.10x = 481,052.94 × 280,062.34
  4. Step 4: Simplify right side
    322,516.10x = 134,724,812,040.28
  5. Step 5: Solve for x
    x = 134,724,812,040.28/322,516.10
  6. Step 6: Final answer
    x = 417,730.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.