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Finding the Fourth Proportional to 450,377.87, 675,185.25 and 197,466.69

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Solution

The fourth proportional to 450,377.87, 675,185.25 and 197,466.69 is: 296,032.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,377.87 : 675,185.25 = 197,466.69 : x
  2. Step 2: Convert to fraction form
    450,377.87/675,185.25 = 197,466.69/x
  3. Step 3: Cross multiply
    450,377.87x = 675,185.25 × 197,466.69
  4. Step 4: Simplify right side
    450,377.87x = 133,326,596,454.32
  5. Step 5: Solve for x
    x = 133,326,596,454.32/450,377.87
  6. Step 6: Final answer
    x = 296,032.74

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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.