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Finding the Fourth Proportional to 403,383.69, 556,664.88 and 222,091.92

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Solution

The fourth proportional to 403,383.69, 556,664.88 and 222,091.92 is: 306,484.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,383.69 : 556,664.88 = 222,091.92 : x
  2. Step 2: Convert to fraction form
    403,383.69/556,664.88 = 222,091.92/x
  3. Step 3: Cross multiply
    403,383.69x = 556,664.88 × 222,091.92
  4. Step 4: Simplify right side
    403,383.69x = 123,630,771,995.77
  5. Step 5: Solve for x
    x = 123,630,771,995.77/403,383.69
  6. Step 6: Final answer
    x = 306,484.31

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1.5x scale

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.