Home / 370,623.80-555,935.70-133,974.20

Finding the Fourth Proportional to 370,623.80, 555,935.70 and 133,974.20

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Solution

The fourth proportional to 370,623.80, 555,935.70 and 133,974.20 is: 200,961.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,623.80 : 555,935.70 = 133,974.20 : x
  2. Step 2: Convert to fraction form
    370,623.80/555,935.70 = 133,974.20/x
  3. Step 3: Cross multiply
    370,623.80x = 555,935.70 × 133,974.20
  4. Step 4: Simplify right side
    370,623.80x = 74,481,040,658.94
  5. Step 5: Solve for x
    x = 74,481,040,658.94/370,623.80
  6. Step 6: Final answer
    x = 200,961.30

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Similar ratio
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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.