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Finding the Fourth Proportional to 247,099.15, 341,002.74 and 139,669.60

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Solution

The fourth proportional to 247,099.15, 341,002.74 and 139,669.60 is: 192,747.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,099.15 : 341,002.74 = 139,669.60 : x
  2. Step 2: Convert to fraction form
    247,099.15/341,002.74 = 139,669.60/x
  3. Step 3: Cross multiply
    247,099.15x = 341,002.74 × 139,669.60
  4. Step 4: Simplify right side
    247,099.15x = 47,627,714,589.69
  5. Step 5: Solve for x
    x = 47,627,714,589.69/247,099.15
  6. Step 6: Final answer
    x = 192,747.38

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1.5x scale

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.