Home / 442,118.16-662,622.39-189,101.16

Finding the Fourth Proportional to 442,118.16, 662,622.39 and 189,101.16

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Solution

The fourth proportional to 442,118.16, 662,622.39 and 189,101.16 is: 283,414.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,118.16 : 662,622.39 = 189,101.16 : x
  2. Step 2: Convert to fraction form
    442,118.16/662,622.39 = 189,101.16/x
  3. Step 3: Cross multiply
    442,118.16x = 662,622.39 × 189,101.16
  4. Step 4: Simplify right side
    442,118.16x = 125,302,662,590.97
  5. Step 5: Solve for x
    x = 125,302,662,590.97/442,118.16
  6. Step 6: Final answer
    x = 283,414.42

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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.