Home / 331,450.28-457,385.64-188,191.52

Finding the Fourth Proportional to 331,450.28, 457,385.64 and 188,191.52

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Solution

The fourth proportional to 331,450.28, 457,385.64 and 188,191.52 is: 259,695.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,450.28 : 457,385.64 = 188,191.52 : x
  2. Step 2: Convert to fraction form
    331,450.28/457,385.64 = 188,191.52/x
  3. Step 3: Cross multiply
    331,450.28x = 457,385.64 × 188,191.52
  4. Step 4: Simplify right side
    331,450.28x = 86,076,098,817.77
  5. Step 5: Solve for x
    x = 86,076,098,817.77/331,450.28
  6. Step 6: Final answer
    x = 259,695.36

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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.