Home / 428,260.44-590,991.75-237,270

Finding the Fourth Proportional to 428,260.44, 590,991.75 and 237,270

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Solution

The fourth proportional to 428,260.44, 590,991.75 and 237,270 is: 327,428.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,260.44 : 590,991.75 = 237,270 : x
  2. Step 2: Convert to fraction form
    428,260.44/590,991.75 = 237,270/x
  3. Step 3: Cross multiply
    428,260.44x = 590,991.75 × 237,270
  4. Step 4: Simplify right side
    428,260.44x = 140,224,612,522.50
  5. Step 5: Solve for x
    x = 140,224,612,522.50/428,260.44
  6. Step 6: Final answer
    x = 327,428.36

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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.