Home / 401,058.09-553,451.45-219,766.10

Finding the Fourth Proportional to 401,058.09, 553,451.45 and 219,766.10

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Solution

The fourth proportional to 401,058.09, 553,451.45 and 219,766.10 is: 303,272.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,058.09 : 553,451.45 = 219,766.10 : x
  2. Step 2: Convert to fraction form
    401,058.09/553,451.45 = 219,766.10/x
  3. Step 3: Cross multiply
    401,058.09x = 553,451.45 × 219,766.10
  4. Step 4: Simplify right side
    401,058.09x = 121,629,862,839.76
  5. Step 5: Solve for x
    x = 121,629,862,839.76/401,058.09
  6. Step 6: Final answer
    x = 303,272.43

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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.