Home / 401,126.22-553,561.29-219,826.08

Finding the Fourth Proportional to 401,126.22, 553,561.29 and 219,826.08

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Solution

The fourth proportional to 401,126.22, 553,561.29 and 219,826.08 is: 303,363.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,126.22 : 553,561.29 = 219,826.08 : x
  2. Step 2: Convert to fraction form
    401,126.22/553,561.29 = 219,826.08/x
  3. Step 3: Cross multiply
    401,126.22x = 553,561.29 × 219,826.08
  4. Step 4: Simplify right side
    401,126.22x = 121,687,208,420.44
  5. Step 5: Solve for x
    x = 121,687,208,420.44/401,126.22
  6. Step 6: Final answer
    x = 303,363.88

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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.