Home / 428,166.12-590,869.26-237,191.88

Finding the Fourth Proportional to 428,166.12, 590,869.26 and 237,191.88

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Solution

The fourth proportional to 428,166.12, 590,869.26 and 237,191.88 is: 327,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,166.12 : 590,869.26 = 237,191.88 : x
  2. Step 2: Convert to fraction form
    428,166.12/590,869.26 = 237,191.88/x
  3. Step 3: Cross multiply
    428,166.12x = 590,869.26 × 237,191.88
  4. Step 4: Simplify right side
    428,166.12x = 140,149,390,613.61
  5. Step 5: Solve for x
    x = 140,149,390,613.61/428,166.12
  6. Step 6: Final answer
    x = 327,324.80

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1.5x scale

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.