Home / 331,520.40-457,482.24-188,261.52

Finding the Fourth Proportional to 331,520.40, 457,482.24 and 188,261.52

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Solution

The fourth proportional to 331,520.40, 457,482.24 and 188,261.52 is: 259,791.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,520.40 : 457,482.24 = 188,261.52 : x
  2. Step 2: Convert to fraction form
    331,520.40/457,482.24 = 188,261.52/x
  3. Step 3: Cross multiply
    331,520.40x = 457,482.24 × 188,261.52
  4. Step 4: Simplify right side
    331,520.40x = 86,126,301,875.40
  5. Step 5: Solve for x
    x = 86,126,301,875.40/331,520.40
  6. Step 6: Final answer
    x = 259,791.86

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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.