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Finding the Fourth Proportional to 511,545.62, 766,636.73 and 241,745.40

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Solution

The fourth proportional to 511,545.62, 766,636.73 and 241,745.40 is: 362,295.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,545.62 : 766,636.73 = 241,745.40 : x
  2. Step 2: Convert to fraction form
    511,545.62/766,636.73 = 241,745.40/x
  3. Step 3: Cross multiply
    511,545.62x = 766,636.73 × 241,745.40
  4. Step 4: Simplify right side
    511,545.62x = 185,330,898,613.64
  5. Step 5: Solve for x
    x = 185,330,898,613.64/511,545.62
  6. Step 6: Final answer
    x = 362,295.93

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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.