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Finding the Fourth Proportional to 538,424.60, 807,636.90 and 164,447.60

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Solution

The fourth proportional to 538,424.60, 807,636.90 and 164,447.60 is: 246,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,424.60 : 807,636.90 = 164,447.60 : x
  2. Step 2: Convert to fraction form
    538,424.60/807,636.90 = 164,447.60/x
  3. Step 3: Cross multiply
    538,424.60x = 807,636.90 × 164,447.60
  4. Step 4: Simplify right side
    538,424.60x = 132,813,949,876.44
  5. Step 5: Solve for x
    x = 132,813,949,876.44/538,424.60
  6. Step 6: Final answer
    x = 246,671.40

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Similar ratio
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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.