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Finding the Fourth Proportional to 445,611.18, 668,250.45 and 179,281.74

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Solution

The fourth proportional to 445,611.18, 668,250.45 and 179,281.74 is: 268,855.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,611.18 : 668,250.45 = 179,281.74 : x
  2. Step 2: Convert to fraction form
    445,611.18/668,250.45 = 179,281.74/x
  3. Step 3: Cross multiply
    445,611.18x = 668,250.45 × 179,281.74
  4. Step 4: Simplify right side
    445,611.18x = 119,805,103,431.78
  5. Step 5: Solve for x
    x = 119,805,103,431.78/445,611.18
  6. Step 6: Final answer
    x = 268,855.69

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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.