Home / 347,683.20-521,913.60-269,145.60

Finding the Fourth Proportional to 347,683.20, 521,913.60 and 269,145.60

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Solution

The fourth proportional to 347,683.20, 521,913.60 and 269,145.60 is: 404,019.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,683.20 : 521,913.60 = 269,145.60 : x
  2. Step 2: Convert to fraction form
    347,683.20/521,913.60 = 269,145.60/x
  3. Step 3: Cross multiply
    347,683.20x = 521,913.60 × 269,145.60
  4. Step 4: Simplify right side
    347,683.20x = 140,470,749,020.16
  5. Step 5: Solve for x
    x = 140,470,749,020.16/347,683.20
  6. Step 6: Final answer
    x = 404,019.37

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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.