Home / 403,904.68-557,385.67-222,616.71

Finding the Fourth Proportional to 403,904.68, 557,385.67 and 222,616.71

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Solution

The fourth proportional to 403,904.68, 557,385.67 and 222,616.71 is: 307,209.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,904.68 : 557,385.67 = 222,616.71 : x
  2. Step 2: Convert to fraction form
    403,904.68/557,385.67 = 222,616.71/x
  3. Step 3: Cross multiply
    403,904.68x = 557,385.67 × 222,616.71
  4. Step 4: Simplify right side
    403,904.68x = 124,083,364,334.82
  5. Step 5: Solve for x
    x = 124,083,364,334.82/403,904.68
  6. Step 6: Final answer
    x = 307,209.52

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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.