Home / 331,667.20-457,702.29-188,435.11

Finding the Fourth Proportional to 331,667.20, 457,702.29 and 188,435.11

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Solution

The fourth proportional to 331,667.20, 457,702.29 and 188,435.11 is: 260,041.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,667.20 : 457,702.29 = 188,435.11 : x
  2. Step 2: Convert to fraction form
    331,667.20/457,702.29 = 188,435.11/x
  3. Step 3: Cross multiply
    331,667.20x = 457,702.29 × 188,435.11
  4. Step 4: Simplify right side
    331,667.20x = 86,247,181,363.40
  5. Step 5: Solve for x
    x = 86,247,181,363.40/331,667.20
  6. Step 6: Final answer
    x = 260,041.33

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1.5x scale

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.