Home / 428,392.90-591,205.74-237,402.19

Finding the Fourth Proportional to 428,392.90, 591,205.74 and 237,402.19

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Solution

The fourth proportional to 428,392.90, 591,205.74 and 237,402.19 is: 327,628.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,392.90 : 591,205.74 = 237,402.19 : x
  2. Step 2: Convert to fraction form
    428,392.90/591,205.74 = 237,402.19/x
  3. Step 3: Cross multiply
    428,392.90x = 591,205.74 × 237,402.19
  4. Step 4: Simplify right side
    428,392.90x = 140,353,536,229.56
  5. Step 5: Solve for x
    x = 140,353,536,229.56/428,392.90
  6. Step 6: Final answer
    x = 327,628.06

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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.