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Finding the Fourth Proportional to 483,348.26, 725,036.67 and 230,655.60

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Solution

The fourth proportional to 483,348.26, 725,036.67 and 230,655.60 is: 345,990.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,348.26 : 725,036.67 = 230,655.60 : x
  2. Step 2: Convert to fraction form
    483,348.26/725,036.67 = 230,655.60/x
  3. Step 3: Cross multiply
    483,348.26x = 725,036.67 × 230,655.60
  4. Step 4: Simplify right side
    483,348.26x = 167,233,768,140.85
  5. Step 5: Solve for x
    x = 167,233,768,140.85/483,348.26
  6. Step 6: Final answer
    x = 345,990.21

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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.