Home / 428,188.31-590,899.88-237,214.07

Finding the Fourth Proportional to 428,188.31, 590,899.88 and 237,214.07

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Solution

The fourth proportional to 428,188.31, 590,899.88 and 237,214.07 is: 327,355.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,188.31 : 590,899.88 = 237,214.07 : x
  2. Step 2: Convert to fraction form
    428,188.31/590,899.88 = 237,214.07/x
  3. Step 3: Cross multiply
    428,188.31x = 590,899.88 × 237,214.07
  4. Step 4: Simplify right side
    428,188.31x = 140,169,764,311.24
  5. Step 5: Solve for x
    x = 140,169,764,311.24/428,188.31
  6. Step 6: Final answer
    x = 327,355.42

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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.