Home / 401,028.08-553,418.52-219,746.84

Finding the Fourth Proportional to 401,028.08, 553,418.52 and 219,746.84

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Solution

The fourth proportional to 401,028.08, 553,418.52 and 219,746.84 is: 303,250.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,028.08 : 553,418.52 = 219,746.84 : x
  2. Step 2: Convert to fraction form
    401,028.08/553,418.52 = 219,746.84/x
  3. Step 3: Cross multiply
    401,028.08x = 553,418.52 × 219,746.84
  4. Step 4: Simplify right side
    401,028.08x = 121,611,970,967.48
  5. Step 5: Solve for x
    x = 121,611,970,967.48/401,028.08
  6. Step 6: Final answer
    x = 303,250.51

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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.