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Finding the Fourth Proportional to 308,752.90, 462,887.43 and 121,904.26

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Solution

The fourth proportional to 308,752.90, 462,887.43 and 121,904.26 is: 182,760.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,752.90 : 462,887.43 = 121,904.26 : x
  2. Step 2: Convert to fraction form
    308,752.90/462,887.43 = 121,904.26/x
  3. Step 3: Cross multiply
    308,752.90x = 462,887.43 × 121,904.26
  4. Step 4: Simplify right side
    308,752.90x = 56,427,949,617.45
  5. Step 5: Solve for x
    x = 56,427,949,617.45/308,752.90
  6. Step 6: Final answer
    x = 182,760.87

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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.