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Finding the Fourth Proportional to 294,596.80, 406,369.92 and 208,458.88

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Solution

The fourth proportional to 294,596.80, 406,369.92 and 208,458.88 is: 287,550.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,596.80 : 406,369.92 = 208,458.88 : x
  2. Step 2: Convert to fraction form
    294,596.80/406,369.92 = 208,458.88/x
  3. Step 3: Cross multiply
    294,596.80x = 406,369.92 × 208,458.88
  4. Step 4: Simplify right side
    294,596.80x = 84,711,418,388.89
  5. Step 5: Solve for x
    x = 84,711,418,388.89/294,596.80
  6. Step 6: Final answer
    x = 287,550.37

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1.5x scale

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.