Home / 428,135.76-590,827.40-237,161.52

Finding the Fourth Proportional to 428,135.76, 590,827.40 and 237,161.52

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Solution

The fourth proportional to 428,135.76, 590,827.40 and 237,161.52 is: 327,282.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,135.76 : 590,827.40 = 237,161.52 : x
  2. Step 2: Convert to fraction form
    428,135.76/590,827.40 = 237,161.52/x
  3. Step 3: Cross multiply
    428,135.76x = 590,827.40 × 237,161.52
  4. Step 4: Simplify right side
    428,135.76x = 140,121,524,241.65
  5. Step 5: Solve for x
    x = 140,121,524,241.65/428,135.76
  6. Step 6: Final answer
    x = 327,282.93

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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.