Home / 442,914.90-664,372.35-162,395.70

Finding the Fourth Proportional to 442,914.90, 664,372.35 and 162,395.70

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Solution

The fourth proportional to 442,914.90, 664,372.35 and 162,395.70 is: 243,593.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,914.90 : 664,372.35 = 162,395.70 : x
  2. Step 2: Convert to fraction form
    442,914.90/664,372.35 = 162,395.70/x
  3. Step 3: Cross multiply
    442,914.90x = 664,372.35 × 162,395.70
  4. Step 4: Simplify right side
    442,914.90x = 107,891,212,838.90
  5. Step 5: Solve for x
    x = 107,891,212,838.90/442,914.90
  6. Step 6: Final answer
    x = 243,593.55

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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.