Home / 308,815.43-462,911.30-148,656.16

Finding the Fourth Proportional to 308,815.43, 462,911.30 and 148,656.16

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Solution

The fourth proportional to 308,815.43, 462,911.30 and 148,656.16 is: 222,834.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,815.43 : 462,911.30 = 148,656.16 : x
  2. Step 2: Convert to fraction form
    308,815.43/462,911.30 = 148,656.16/x
  3. Step 3: Cross multiply
    308,815.43x = 462,911.30 × 148,656.16
  4. Step 4: Simplify right side
    308,815.43x = 68,814,613,220.77
  5. Step 5: Solve for x
    x = 68,814,613,220.77/308,815.43
  6. Step 6: Final answer
    x = 222,834.12

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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.