Home / 331,384.08-457,351.20-188,190.12

Finding the Fourth Proportional to 331,384.08, 457,351.20 and 188,190.12

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Solution

The fourth proportional to 331,384.08, 457,351.20 and 188,190.12 is: 259,725.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,384.08 : 457,351.20 = 188,190.12 : x
  2. Step 2: Convert to fraction form
    331,384.08/457,351.20 = 188,190.12/x
  3. Step 3: Cross multiply
    331,384.08x = 457,351.20 × 188,190.12
  4. Step 4: Simplify right side
    331,384.08x = 86,068,977,210.14
  5. Step 5: Solve for x
    x = 86,068,977,210.14/331,384.08
  6. Step 6: Final answer
    x = 259,725.75

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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.