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Finding the Fourth Proportional to 491,493.74, 737,339.04 and 154,619.18

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Solution

The fourth proportional to 491,493.74, 737,339.04 and 154,619.18 is: 231,959.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,493.74 : 737,339.04 = 154,619.18 : x
  2. Step 2: Convert to fraction form
    491,493.74/737,339.04 = 154,619.18/x
  3. Step 3: Cross multiply
    491,493.74x = 737,339.04 × 154,619.18
  4. Step 4: Simplify right side
    491,493.74x = 114,006,757,746.79
  5. Step 5: Solve for x
    x = 114,006,757,746.79/491,493.74
  6. Step 6: Final answer
    x = 231,959.74

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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.