Home / 400,628.37-552,867.62-219,341.73

Finding the Fourth Proportional to 400,628.37, 552,867.62 and 219,341.73

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Solution

The fourth proportional to 400,628.37, 552,867.62 and 219,341.73 is: 302,691.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,628.37 : 552,867.62 = 219,341.73 : x
  2. Step 2: Convert to fraction form
    400,628.37/552,867.62 = 219,341.73/x
  3. Step 3: Cross multiply
    400,628.37x = 552,867.62 × 219,341.73
  4. Step 4: Simplify right side
    400,628.37x = 121,266,939,135.07
  5. Step 5: Solve for x
    x = 121,266,939,135.07/400,628.37
  6. Step 6: Final answer
    x = 302,691.84

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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.