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Finding the Fourth Proportional to 256,662.08, 354,187.52 and 149,269.45

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Solution

The fourth proportional to 256,662.08, 354,187.52 and 149,269.45 is: 205,988.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,662.08 : 354,187.52 = 149,269.45 : x
  2. Step 2: Convert to fraction form
    256,662.08/354,187.52 = 149,269.45/x
  3. Step 3: Cross multiply
    256,662.08x = 354,187.52 × 149,269.45
  4. Step 4: Simplify right side
    256,662.08x = 52,869,373,789.98
  5. Step 5: Solve for x
    x = 52,869,373,789.98/256,662.08
  6. Step 6: Final answer
    x = 205,988.25

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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.