Home / 215,075.28-322,611.85-55,150.50

Finding the Fourth Proportional to 215,075.28, 322,611.85 and 55,150.50

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Solution

The fourth proportional to 215,075.28, 322,611.85 and 55,150.50 is: 82,725.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,075.28 : 322,611.85 = 55,150.50 : x
  2. Step 2: Convert to fraction form
    215,075.28/322,611.85 = 55,150.50/x
  3. Step 3: Cross multiply
    215,075.28x = 322,611.85 × 55,150.50
  4. Step 4: Simplify right side
    215,075.28x = 17,792,205,801.94
  5. Step 5: Solve for x
    x = 17,792,205,801.94/215,075.28
  6. Step 6: Final answer
    x = 82,725.48

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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.