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Finding the Fourth Proportional to 491,411.44, 737,081.60 and 154,548.45

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Solution

The fourth proportional to 491,411.44, 737,081.60 and 154,548.45 is: 231,811.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,411.44 : 737,081.60 = 154,548.45 : x
  2. Step 2: Convert to fraction form
    491,411.44/737,081.60 = 154,548.45/x
  3. Step 3: Cross multiply
    491,411.44x = 737,081.60 × 154,548.45
  4. Step 4: Simplify right side
    491,411.44x = 113,914,818,803.52
  5. Step 5: Solve for x
    x = 113,914,818,803.52/491,411.44
  6. Step 6: Final answer
    x = 231,811.49

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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.