Home / 231,401.35-319,239.66-150,799.51

Finding the Fourth Proportional to 231,401.35, 319,239.66 and 150,799.51

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Solution

The fourth proportional to 231,401.35, 319,239.66 and 150,799.51 is: 208,041.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,401.35 : 319,239.66 = 150,799.51 : x
  2. Step 2: Convert to fraction form
    231,401.35/319,239.66 = 150,799.51/x
  3. Step 3: Cross multiply
    231,401.35x = 319,239.66 × 150,799.51
  4. Step 4: Simplify right side
    231,401.35x = 48,141,183,546.57
  5. Step 5: Solve for x
    x = 48,141,183,546.57/231,401.35
  6. Step 6: Final answer
    x = 208,041.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.