Home / 403,464.15-556,784.37-222,182.49

Finding the Fourth Proportional to 403,464.15, 556,784.37 and 222,182.49

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Solution

The fourth proportional to 403,464.15, 556,784.37 and 222,182.49 is: 306,613.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,464.15 : 556,784.37 = 222,182.49 : x
  2. Step 2: Convert to fraction form
    403,464.15/556,784.37 = 222,182.49/x
  3. Step 3: Cross multiply
    403,464.15x = 556,784.37 × 222,182.49
  4. Step 4: Simplify right side
    403,464.15x = 123,707,737,719.68
  5. Step 5: Solve for x
    x = 123,707,737,719.68/403,464.15
  6. Step 6: Final answer
    x = 306,613.95

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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.