Home / 428,745.20-591,669.96-237,776.24

Finding the Fourth Proportional to 428,745.20, 591,669.96 and 237,776.24

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Solution

The fourth proportional to 428,745.20, 591,669.96 and 237,776.24 is: 328,132.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,745.20 : 591,669.96 = 237,776.24 : x
  2. Step 2: Convert to fraction form
    428,745.20/591,669.96 = 237,776.24/x
  3. Step 3: Cross multiply
    428,745.20x = 591,669.96 × 237,776.24
  4. Step 4: Simplify right side
    428,745.20x = 140,685,058,409.75
  5. Step 5: Solve for x
    x = 140,685,058,409.75/428,745.20
  6. Step 6: Final answer
    x = 328,132.09

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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.