Home / 442,822.05-664,161.62-127,207.17

Finding the Fourth Proportional to 442,822.05, 664,161.62 and 127,207.17

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Solution

The fourth proportional to 442,822.05, 664,161.62 and 127,207.17 is: 190,790.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,822.05 : 664,161.62 = 127,207.17 : x
  2. Step 2: Convert to fraction form
    442,822.05/664,161.62 = 127,207.17/x
  3. Step 3: Cross multiply
    442,822.05x = 664,161.62 × 127,207.17
  4. Step 4: Simplify right side
    442,822.05x = 84,486,119,466.78
  5. Step 5: Solve for x
    x = 84,486,119,466.78/442,822.05
  6. Step 6: Final answer
    x = 190,790.23

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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.