Home / 442,121.16-662,626.89-189,104.16

Finding the Fourth Proportional to 442,121.16, 662,626.89 and 189,104.16

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Solution

The fourth proportional to 442,121.16, 662,626.89 and 189,104.16 is: 283,418.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,121.16 : 662,626.89 = 189,104.16 : x
  2. Step 2: Convert to fraction form
    442,121.16/662,626.89 = 189,104.16/x
  3. Step 3: Cross multiply
    442,121.16x = 662,626.89 × 189,104.16
  4. Step 4: Simplify right side
    442,121.16x = 125,305,501,426.86
  5. Step 5: Solve for x
    x = 125,305,501,426.86/442,121.16
  6. Step 6: Final answer
    x = 283,418.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.