Home / 308,204.20-462,306.30-213,135.31

Finding the Fourth Proportional to 308,204.20, 462,306.30 and 213,135.31

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Solution

The fourth proportional to 308,204.20, 462,306.30 and 213,135.31 is: 319,702.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,204.20 : 462,306.30 = 213,135.31 : x
  2. Step 2: Convert to fraction form
    308,204.20/462,306.30 = 213,135.31/x
  3. Step 3: Cross multiply
    308,204.20x = 462,306.30 × 213,135.31
  4. Step 4: Simplify right side
    308,204.20x = 98,533,796,565.45
  5. Step 5: Solve for x
    x = 98,533,796,565.45/308,204.20
  6. Step 6: Final answer
    x = 319,702.97

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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.