Home / 217,714.32-300,425.22-122,202.36

Finding the Fourth Proportional to 217,714.32, 300,425.22 and 122,202.36

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Solution

The fourth proportional to 217,714.32, 300,425.22 and 122,202.36 is: 168,627.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,714.32 : 300,425.22 = 122,202.36 : x
  2. Step 2: Convert to fraction form
    217,714.32/300,425.22 = 122,202.36/x
  3. Step 3: Cross multiply
    217,714.32x = 300,425.22 × 122,202.36
  4. Step 4: Simplify right side
    217,714.32x = 36,712,670,887.52
  5. Step 5: Solve for x
    x = 36,712,670,887.52/217,714.32
  6. Step 6: Final answer
    x = 168,627.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.