Home / 428,495.00-591,322.07-234,902.36

Finding the Fourth Proportional to 428,495.00, 591,322.07 and 234,902.36

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Solution

The fourth proportional to 428,495.00, 591,322.07 and 234,902.36 is: 324,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,495.00 : 591,322.07 = 234,902.36 : x
  2. Step 2: Convert to fraction form
    428,495.00/591,322.07 = 234,902.36/x
  3. Step 3: Cross multiply
    428,495.00x = 591,322.07 × 234,902.36
  4. Step 4: Simplify right side
    428,495.00x = 138,902,951,828.65
  5. Step 5: Solve for x
    x = 138,902,951,828.65/428,495.00
  6. Step 6: Final answer
    x = 324,164.70

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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.