Home / 319,110.46-440,517.95-227,288.86

Finding the Fourth Proportional to 319,110.46, 440,517.95 and 227,288.86

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Solution

The fourth proportional to 319,110.46, 440,517.95 and 227,288.86 is: 313,762.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,110.46 : 440,517.95 = 227,288.86 : x
  2. Step 2: Convert to fraction form
    319,110.46/440,517.95 = 227,288.86/x
  3. Step 3: Cross multiply
    319,110.46x = 440,517.95 × 227,288.86
  4. Step 4: Simplify right side
    319,110.46x = 100,124,822,665.04
  5. Step 5: Solve for x
    x = 100,124,822,665.04/319,110.46
  6. Step 6: Final answer
    x = 313,762.27

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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.