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Finding the Fourth Proportional to 474,520.98, 711,781.48 and 208,283.82

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Solution

The fourth proportional to 474,520.98, 711,781.48 and 208,283.82 is: 312,425.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,520.98 : 711,781.48 = 208,283.82 : x
  2. Step 2: Convert to fraction form
    474,520.98/711,781.48 = 208,283.82/x
  3. Step 3: Cross multiply
    474,520.98x = 711,781.48 × 208,283.82
  4. Step 4: Simplify right side
    474,520.98x = 148,252,565,659.65
  5. Step 5: Solve for x
    x = 148,252,565,659.65/474,520.98
  6. Step 6: Final answer
    x = 312,425.73

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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.