Home / 331,923.03-457,975.04-188,671.79

Finding the Fourth Proportional to 331,923.03, 457,975.04 and 188,671.79

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Solution

The fourth proportional to 331,923.03, 457,975.04 and 188,671.79 is: 260,322.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,923.03 : 457,975.04 = 188,671.79 : x
  2. Step 2: Convert to fraction form
    331,923.03/457,975.04 = 188,671.79/x
  3. Step 3: Cross multiply
    331,923.03x = 457,975.04 × 188,671.79
  4. Step 4: Simplify right side
    331,923.03x = 86,406,970,572.12
  5. Step 5: Solve for x
    x = 86,406,970,572.12/331,923.03
  6. Step 6: Final answer
    x = 260,322.31

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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.