Home / 331,118.70-456,930.30-187,875.66

Finding the Fourth Proportional to 331,118.70, 456,930.30 and 187,875.66

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Solution

The fourth proportional to 331,118.70, 456,930.30 and 187,875.66 is: 259,260.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,118.70 : 456,930.30 = 187,875.66 : x
  2. Step 2: Convert to fraction form
    331,118.70/456,930.30 = 187,875.66/x
  3. Step 3: Cross multiply
    331,118.70x = 456,930.30 × 187,875.66
  4. Step 4: Simplify right side
    331,118.70x = 85,846,081,686.50
  5. Step 5: Solve for x
    x = 85,846,081,686.50/331,118.70
  6. Step 6: Final answer
    x = 259,260.75

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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.