Home / 403,682.06-557,106.80-222,394.34

Finding the Fourth Proportional to 403,682.06, 557,106.80 and 222,394.34

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Solution

The fourth proportional to 403,682.06, 557,106.80 and 222,394.34 is: 306,918.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,682.06 : 557,106.80 = 222,394.34 : x
  2. Step 2: Convert to fraction form
    403,682.06/557,106.80 = 222,394.34/x
  3. Step 3: Cross multiply
    403,682.06x = 557,106.80 × 222,394.34
  4. Step 4: Simplify right side
    403,682.06x = 123,897,399,376.31
  5. Step 5: Solve for x
    x = 123,897,399,376.31/403,682.06
  6. Step 6: Final answer
    x = 306,918.27

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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.