Home / 403,885.46-557,340.26-222,561.28

Finding the Fourth Proportional to 403,885.46, 557,340.26 and 222,561.28

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Solution

The fourth proportional to 403,885.46, 557,340.26 and 222,561.28 is: 307,122.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,885.46 : 557,340.26 = 222,561.28 : x
  2. Step 2: Convert to fraction form
    403,885.46/557,340.26 = 222,561.28/x
  3. Step 3: Cross multiply
    403,885.46x = 557,340.26 × 222,561.28
  4. Step 4: Simplify right side
    403,885.46x = 124,042,361,661.13
  5. Step 5: Solve for x
    x = 124,042,361,661.13/403,885.46
  6. Step 6: Final answer
    x = 307,122.62

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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.