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Finding the Fourth Proportional to 576,511.44, 864,678.49 and 192,267.03

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Solution

The fourth proportional to 576,511.44, 864,678.49 and 192,267.03 is: 288,370.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,511.44 : 864,678.49 = 192,267.03 : x
  2. Step 2: Convert to fraction form
    576,511.44/864,678.49 = 192,267.03/x
  3. Step 3: Cross multiply
    576,511.44x = 864,678.49 × 192,267.03
  4. Step 4: Simplify right side
    576,511.44x = 166,249,164,696.52
  5. Step 5: Solve for x
    x = 166,249,164,696.52/576,511.44
  6. Step 6: Final answer
    x = 288,370.97

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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.