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Finding the Fourth Proportional to 294,585.26, 406,545.09 and 221,859.89

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Solution

The fourth proportional to 294,585.26, 406,545.09 and 221,859.89 is: 306,179.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,585.26 : 406,545.09 = 221,859.89 : x
  2. Step 2: Convert to fraction form
    294,585.26/406,545.09 = 221,859.89/x
  3. Step 3: Cross multiply
    294,585.26x = 406,545.09 × 221,859.89
  4. Step 4: Simplify right side
    294,585.26x = 90,196,045,805.42
  5. Step 5: Solve for x
    x = 90,196,045,805.42/294,585.26
  6. Step 6: Final answer
    x = 306,179.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.