Home / 591,220.32-886,643.62-212,132.58

Finding the Fourth Proportional to 591,220.32, 886,643.62 and 212,132.58

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Solution

The fourth proportional to 591,220.32, 886,643.62 and 212,132.58 is: 318,131.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,220.32 : 886,643.62 = 212,132.58 : x
  2. Step 2: Convert to fraction form
    591,220.32/886,643.62 = 212,132.58/x
  3. Step 3: Cross multiply
    591,220.32x = 886,643.62 × 212,132.58
  4. Step 4: Simplify right side
    591,220.32x = 188,085,998,651.14
  5. Step 5: Solve for x
    x = 188,085,998,651.14/591,220.32
  6. Step 6: Final answer
    x = 318,131.82

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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.