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Finding the Fourth Proportional to 247,303.41, 341,265.20 and 139,894.98

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Solution

The fourth proportional to 247,303.41, 341,265.20 and 139,894.98 is: 193,047.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,303.41 : 341,265.20 = 139,894.98 : x
  2. Step 2: Convert to fraction form
    247,303.41/341,265.20 = 139,894.98/x
  3. Step 3: Cross multiply
    247,303.41x = 341,265.20 × 139,894.98
  4. Step 4: Simplify right side
    247,303.41x = 47,741,287,629.22
  5. Step 5: Solve for x
    x = 47,741,287,629.22/247,303.41
  6. Step 6: Final answer
    x = 193,047.43

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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.