Home / 428,036.82-590,709.96-234,458.16

Finding the Fourth Proportional to 428,036.82, 590,709.96 and 234,458.16

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Solution

The fourth proportional to 428,036.82, 590,709.96 and 234,458.16 is: 323,562.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,036.82 : 590,709.96 = 234,458.16 : x
  2. Step 2: Convert to fraction form
    428,036.82/590,709.96 = 234,458.16/x
  3. Step 3: Cross multiply
    428,036.82x = 590,709.96 × 234,458.16
  4. Step 4: Simplify right side
    428,036.82x = 138,496,770,315.27
  5. Step 5: Solve for x
    x = 138,496,770,315.27/428,036.82
  6. Step 6: Final answer
    x = 323,562.75

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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.