Home / 404,288.13-557,892.25-222,999.60

Finding the Fourth Proportional to 404,288.13, 557,892.25 and 222,999.60

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Solution

The fourth proportional to 404,288.13, 557,892.25 and 222,999.60 is: 307,725.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,288.13 : 557,892.25 = 222,999.60 : x
  2. Step 2: Convert to fraction form
    404,288.13/557,892.25 = 222,999.60/x
  3. Step 3: Cross multiply
    404,288.13x = 557,892.25 × 222,999.60
  4. Step 4: Simplify right side
    404,288.13x = 124,409,748,593.10
  5. Step 5: Solve for x
    x = 124,409,748,593.10/404,288.13
  6. Step 6: Final answer
    x = 307,725.45

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1.5x scale

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.