Home / 323,154.46-445,970.79-179,911.36

Finding the Fourth Proportional to 323,154.46, 445,970.79 and 179,911.36

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Solution

The fourth proportional to 323,154.46, 445,970.79 and 179,911.36 is: 248,287.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,154.46 : 445,970.79 = 179,911.36 : x
  2. Step 2: Convert to fraction form
    323,154.46/445,970.79 = 179,911.36/x
  3. Step 3: Cross multiply
    323,154.46x = 445,970.79 × 179,911.36
  4. Step 4: Simplify right side
    323,154.46x = 80,235,211,349.17
  5. Step 5: Solve for x
    x = 80,235,211,349.17/323,154.46
  6. Step 6: Final answer
    x = 248,287.49

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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.