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Finding the Fourth Proportional to 151,304.54, 208,811.37 and 108,288.08

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Solution

The fourth proportional to 151,304.54, 208,811.37 and 108,288.08 is: 149,445.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,304.54 : 208,811.37 = 108,288.08 : x
  2. Step 2: Convert to fraction form
    151,304.54/208,811.37 = 108,288.08/x
  3. Step 3: Cross multiply
    151,304.54x = 208,811.37 × 108,288.08
  4. Step 4: Simplify right side
    151,304.54x = 22,611,781,295.41
  5. Step 5: Solve for x
    x = 22,611,781,295.41/151,304.54
  6. Step 6: Final answer
    x = 149,445.50

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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.