Home / 401,459.33-602,313.91-131,589.84

Finding the Fourth Proportional to 401,459.33, 602,313.91 and 131,589.84

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Solution

The fourth proportional to 401,459.33, 602,313.91 and 131,589.84 is: 197,425.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,459.33 : 602,313.91 = 131,589.84 : x
  2. Step 2: Convert to fraction form
    401,459.33/602,313.91 = 131,589.84/x
  3. Step 3: Cross multiply
    401,459.33x = 602,313.91 × 131,589.84
  4. Step 4: Simplify right side
    401,459.33x = 79,258,392,976.38
  5. Step 5: Solve for x
    x = 79,258,392,976.38/401,459.33
  6. Step 6: Final answer
    x = 197,425.71

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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.