Home / 428,189.31-590,901.26-237,215.07

Finding the Fourth Proportional to 428,189.31, 590,901.26 and 237,215.07

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Solution

The fourth proportional to 428,189.31, 590,901.26 and 237,215.07 is: 327,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,189.31 : 590,901.26 = 237,215.07 : x
  2. Step 2: Convert to fraction form
    428,189.31/590,901.26 = 237,215.07/x
  3. Step 3: Cross multiply
    428,189.31x = 590,901.26 × 237,215.07
  4. Step 4: Simplify right side
    428,189.31x = 140,170,682,567.91
  5. Step 5: Solve for x
    x = 140,170,682,567.91/428,189.31
  6. Step 6: Final answer
    x = 327,356.80

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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.