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Finding the Fourth Proportional to 247,378.41, 341,230.32 and 218,605.73

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Solution

The fourth proportional to 247,378.41, 341,230.32 and 218,605.73 is: 301,541.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,378.41 : 341,230.32 = 218,605.73 : x
  2. Step 2: Convert to fraction form
    247,378.41/341,230.32 = 218,605.73/x
  3. Step 3: Cross multiply
    247,378.41x = 341,230.32 × 218,605.73
  4. Step 4: Simplify right side
    247,378.41x = 74,594,901,495.58
  5. Step 5: Solve for x
    x = 74,594,901,495.58/247,378.41
  6. Step 6: Final answer
    x = 301,541.68

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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.