Home / 558,558.22-837,836.10-203,427.10

Finding the Fourth Proportional to 558,558.22, 837,836.10 and 203,427.10

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Solution

The fourth proportional to 558,558.22, 837,836.10 and 203,427.10 is: 305,140.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,558.22 : 837,836.10 = 203,427.10 : x
  2. Step 2: Convert to fraction form
    558,558.22/837,836.10 = 203,427.10/x
  3. Step 3: Cross multiply
    558,558.22x = 837,836.10 × 203,427.10
  4. Step 4: Simplify right side
    558,558.22x = 170,438,568,098.31
  5. Step 5: Solve for x
    x = 170,438,568,098.31/558,558.22
  6. Step 6: Final answer
    x = 305,140.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.