Home / 331,928.78-457,982.96-188,677.53

Finding the Fourth Proportional to 331,928.78, 457,982.96 and 188,677.53

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Solution

The fourth proportional to 331,928.78, 457,982.96 and 188,677.53 is: 260,330.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,928.78 : 457,982.96 = 188,677.53 : x
  2. Step 2: Convert to fraction form
    331,928.78/457,982.96 = 188,677.53/x
  3. Step 3: Cross multiply
    331,928.78x = 457,982.96 × 188,677.53
  4. Step 4: Simplify right side
    331,928.78x = 86,411,092,731.50
  5. Step 5: Solve for x
    x = 86,411,092,731.50/331,928.78
  6. Step 6: Final answer
    x = 260,330.23

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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.