Home / 247,403.16-341,395.56-145,431.86

Finding the Fourth Proportional to 247,403.16, 341,395.56 and 145,431.86

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Solution

The fourth proportional to 247,403.16, 341,395.56 and 145,431.86 is: 200,683.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,403.16 : 341,395.56 = 145,431.86 : x
  2. Step 2: Convert to fraction form
    247,403.16/341,395.56 = 145,431.86/x
  3. Step 3: Cross multiply
    247,403.16x = 341,395.56 × 145,431.86
  4. Step 4: Simplify right side
    247,403.16x = 49,649,789,579.56
  5. Step 5: Solve for x
    x = 49,649,789,579.56/247,403.16
  6. Step 6: Final answer
    x = 200,683.73

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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.