Home / 349,258.29-523,449.09-149,343.54

Finding the Fourth Proportional to 349,258.29, 523,449.09 and 149,343.54

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Solution

The fourth proportional to 349,258.29, 523,449.09 and 149,343.54 is: 223,827.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,258.29 : 523,449.09 = 149,343.54 : x
  2. Step 2: Convert to fraction form
    349,258.29/523,449.09 = 149,343.54/x
  3. Step 3: Cross multiply
    349,258.29x = 523,449.09 × 149,343.54
  4. Step 4: Simplify right side
    349,258.29x = 78,173,740,110.38
  5. Step 5: Solve for x
    x = 78,173,740,110.38/349,258.29
  6. Step 6: Final answer
    x = 223,827.87

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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.