Home / 308,215.45-462,369.12-94,965.52

Finding the Fourth Proportional to 308,215.45, 462,369.12 and 94,965.52

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Solution

The fourth proportional to 308,215.45, 462,369.12 and 94,965.52 is: 142,462.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,215.45 : 462,369.12 = 94,965.52 : x
  2. Step 2: Convert to fraction form
    308,215.45/462,369.12 = 94,965.52/x
  3. Step 3: Cross multiply
    308,215.45x = 462,369.12 × 94,965.52
  4. Step 4: Simplify right side
    308,215.45x = 43,909,121,600.90
  5. Step 5: Solve for x
    x = 43,909,121,600.90/308,215.45
  6. Step 6: Final answer
    x = 142,462.43

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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.