Home / 331,923.08-457,975.12-188,671.86

Finding the Fourth Proportional to 331,923.08, 457,975.12 and 188,671.86

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Solution

The fourth proportional to 331,923.08, 457,975.12 and 188,671.86 is: 260,322.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,923.08 : 457,975.12 = 188,671.86 : x
  2. Step 2: Convert to fraction form
    331,923.08/457,975.12 = 188,671.86/x
  3. Step 3: Cross multiply
    331,923.08x = 457,975.12 × 188,671.86
  4. Step 4: Simplify right side
    331,923.08x = 86,407,017,724.12
  5. Step 5: Solve for x
    x = 86,407,017,724.12/331,923.08
  6. Step 6: Final answer
    x = 260,322.41

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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.