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Finding the Fourth Proportional to 227,671.56, 341,478.05 and 69,886.80

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Solution

The fourth proportional to 227,671.56, 341,478.05 and 69,886.80 is: 104,821.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,671.56 : 341,478.05 = 69,886.80 : x
  2. Step 2: Convert to fraction form
    227,671.56/341,478.05 = 69,886.80/x
  3. Step 3: Cross multiply
    227,671.56x = 341,478.05 × 69,886.80
  4. Step 4: Simplify right side
    227,671.56x = 23,864,807,835.31
  5. Step 5: Solve for x
    x = 23,864,807,835.31/227,671.56
  6. Step 6: Final answer
    x = 104,821.21

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1.5x scale

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.