Home / 372,011.40-557,716.59-131,993.01

Finding the Fourth Proportional to 372,011.40, 557,716.59 and 131,993.01

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Solution

The fourth proportional to 372,011.40, 557,716.59 and 131,993.01 is: 197,882.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,011.40 : 557,716.59 = 131,993.01 : x
  2. Step 2: Convert to fraction form
    372,011.40/557,716.59 = 131,993.01/x
  3. Step 3: Cross multiply
    372,011.40x = 557,716.59 × 131,993.01
  4. Step 4: Simplify right side
    372,011.40x = 73,614,691,441.04
  5. Step 5: Solve for x
    x = 73,614,691,441.04/372,011.40
  6. Step 6: Final answer
    x = 197,882.89

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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.