Home / 215,338.09-323,029.23-82,330.22

Finding the Fourth Proportional to 215,338.09, 323,029.23 and 82,330.22

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Solution

The fourth proportional to 215,338.09, 323,029.23 and 82,330.22 is: 123,503.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,338.09 : 323,029.23 = 82,330.22 : x
  2. Step 2: Convert to fraction form
    215,338.09/323,029.23 = 82,330.22/x
  3. Step 3: Cross multiply
    215,338.09x = 323,029.23 × 82,330.22
  4. Step 4: Simplify right side
    215,338.09x = 26,595,065,957.18
  5. Step 5: Solve for x
    x = 26,595,065,957.18/215,338.09
  6. Step 6: Final answer
    x = 123,503.77

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1.5x scale

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.