Home / 428,169.12-590,865.48-237,178.32

Finding the Fourth Proportional to 428,169.12, 590,865.48 and 237,178.32

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Solution

The fourth proportional to 428,169.12, 590,865.48 and 237,178.32 is: 327,301.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,169.12 : 590,865.48 = 237,178.32 : x
  2. Step 2: Convert to fraction form
    428,169.12/590,865.48 = 237,178.32/x
  3. Step 3: Cross multiply
    428,169.12x = 590,865.48 × 237,178.32
  4. Step 4: Simplify right side
    428,169.12x = 140,140,481,892.39
  5. Step 5: Solve for x
    x = 140,140,481,892.39/428,169.12
  6. Step 6: Final answer
    x = 327,301.70

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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.