Home / 215,947.62-323,983.68-66,210.01

Finding the Fourth Proportional to 215,947.62, 323,983.68 and 66,210.01

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Solution

The fourth proportional to 215,947.62, 323,983.68 and 66,210.01 is: 99,334.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,947.62 : 323,983.68 = 66,210.01 : x
  2. Step 2: Convert to fraction form
    215,947.62/323,983.68 = 66,210.01/x
  3. Step 3: Cross multiply
    215,947.62x = 323,983.68 × 66,210.01
  4. Step 4: Simplify right side
    215,947.62x = 21,450,962,006.82
  5. Step 5: Solve for x
    x = 21,450,962,006.82/215,947.62
  6. Step 6: Final answer
    x = 99,334.10

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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.