Home / 428,198.31-590,870.58-237,176.01

Finding the Fourth Proportional to 428,198.31, 590,870.58 and 237,176.01

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Solution

The fourth proportional to 428,198.31, 590,870.58 and 237,176.01 is: 327,279.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,198.31 : 590,870.58 = 237,176.01 : x
  2. Step 2: Convert to fraction form
    428,198.31/590,870.58 = 237,176.01/x
  3. Step 3: Cross multiply
    428,198.31x = 590,870.58 × 237,176.01
  4. Step 4: Simplify right side
    428,198.31x = 140,140,326,590.79
  5. Step 5: Solve for x
    x = 140,140,326,590.79/428,198.31
  6. Step 6: Final answer
    x = 327,279.03

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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.