Home / 331,119.63-456,946.07-187,879.37

Finding the Fourth Proportional to 331,119.63, 456,946.07 and 187,879.37

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Solution

The fourth proportional to 331,119.63, 456,946.07 and 187,879.37 is: 259,274.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,119.63 : 456,946.07 = 187,879.37 : x
  2. Step 2: Convert to fraction form
    331,119.63/456,946.07 = 187,879.37/x
  3. Step 3: Cross multiply
    331,119.63x = 456,946.07 × 187,879.37
  4. Step 4: Simplify right side
    331,119.63x = 85,850,736,531.45
  5. Step 5: Solve for x
    x = 85,850,736,531.45/331,119.63
  6. Step 6: Final answer
    x = 259,274.08

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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.