Home / 591,219.32-886,642.12-212,131.58

Finding the Fourth Proportional to 591,219.32, 886,642.12 and 212,131.58

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Solution

The fourth proportional to 591,219.32, 886,642.12 and 212,131.58 is: 318,130.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,219.32 : 886,642.12 = 212,131.58 : x
  2. Step 2: Convert to fraction form
    591,219.32/886,642.12 = 212,131.58/x
  3. Step 3: Cross multiply
    591,219.32x = 886,642.12 × 212,131.58
  4. Step 4: Simplify right side
    591,219.32x = 188,084,793,279.82
  5. Step 5: Solve for x
    x = 188,084,793,279.82/591,219.32
  6. Step 6: Final answer
    x = 318,130.32

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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.