Home / 211,261.44-316,678.92-132,431.02

Finding the Fourth Proportional to 211,261.44, 316,678.92 and 132,431.02

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Solution

The fourth proportional to 211,261.44, 316,678.92 and 132,431.02 is: 198,512.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,261.44 : 316,678.92 = 132,431.02 : x
  2. Step 2: Convert to fraction form
    211,261.44/316,678.92 = 132,431.02/x
  3. Step 3: Cross multiply
    211,261.44x = 316,678.92 × 132,431.02
  4. Step 4: Simplify right side
    211,261.44x = 41,938,112,388.10
  5. Step 5: Solve for x
    x = 41,938,112,388.10/211,261.44
  6. Step 6: Final answer
    x = 198,512.86

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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.