Home / 308,946.20-462,641.70-203,192.60

Finding the Fourth Proportional to 308,946.20, 462,641.70 and 203,192.60

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Solution

The fourth proportional to 308,946.20, 462,641.70 and 203,192.60 is: 304,277.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,946.20 : 462,641.70 = 203,192.60 : x
  2. Step 2: Convert to fraction form
    308,946.20/462,641.70 = 203,192.60/x
  3. Step 3: Cross multiply
    308,946.20x = 462,641.70 × 203,192.60
  4. Step 4: Simplify right side
    308,946.20x = 94,005,369,891.42
  5. Step 5: Solve for x
    x = 94,005,369,891.42/308,946.20
  6. Step 6: Final answer
    x = 304,277.48

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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.