Home / 320,864.64-442,817.78-183,046.60

Finding the Fourth Proportional to 320,864.64, 442,817.78 and 183,046.60

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Solution

The fourth proportional to 320,864.64, 442,817.78 and 183,046.60 is: 252,618.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,864.64 : 442,817.78 = 183,046.60 : x
  2. Step 2: Convert to fraction form
    320,864.64/442,817.78 = 183,046.60/x
  3. Step 3: Cross multiply
    320,864.64x = 442,817.78 × 183,046.60
  4. Step 4: Simplify right side
    320,864.64x = 81,056,289,048.55
  5. Step 5: Solve for x
    x = 81,056,289,048.55/320,864.64
  6. Step 6: Final answer
    x = 252,618.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.