Home / 403,705.09-557,110.42-222,412.83

Finding the Fourth Proportional to 403,705.09, 557,110.42 and 222,412.83

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Solution

The fourth proportional to 403,705.09, 557,110.42 and 222,412.83 is: 306,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,705.09 : 557,110.42 = 222,412.83 : x
  2. Step 2: Convert to fraction form
    403,705.09/557,110.42 = 222,412.83/x
  3. Step 3: Cross multiply
    403,705.09x = 557,110.42 × 222,412.83
  4. Step 4: Simplify right side
    403,705.09x = 123,908,505,134.69
  5. Step 5: Solve for x
    x = 123,908,505,134.69/403,705.09
  6. Step 6: Final answer
    x = 306,928.27

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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.