Home / 428,142.25-590,836.35-237,168.01

Finding the Fourth Proportional to 428,142.25, 590,836.35 and 237,168.01

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Solution

The fourth proportional to 428,142.25, 590,836.35 and 237,168.01 is: 327,291.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,142.25 : 590,836.35 = 237,168.01 : x
  2. Step 2: Convert to fraction form
    428,142.25/590,836.35 = 237,168.01/x
  3. Step 3: Cross multiply
    428,142.25x = 590,836.35 × 237,168.01
  4. Step 4: Simplify right side
    428,142.25x = 140,127,481,365.16
  5. Step 5: Solve for x
    x = 140,127,481,365.16/428,142.25
  6. Step 6: Final answer
    x = 327,291.88

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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.