Home / 404,834.24-558,703.20-235,121.60

Finding the Fourth Proportional to 404,834.24, 558,703.20 and 235,121.60

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Solution

The fourth proportional to 404,834.24, 558,703.20 and 235,121.60 is: 324,486.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,834.24 : 558,703.20 = 235,121.60 : x
  2. Step 2: Convert to fraction form
    404,834.24/558,703.20 = 235,121.60/x
  3. Step 3: Cross multiply
    404,834.24x = 558,703.20 × 235,121.60
  4. Step 4: Simplify right side
    404,834.24x = 131,363,190,309.12
  5. Step 5: Solve for x
    x = 131,363,190,309.12/404,834.24
  6. Step 6: Final answer
    x = 324,486.36

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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.