Home / 400,629.62-552,869.34-219,342.98

Finding the Fourth Proportional to 400,629.62, 552,869.34 and 219,342.98

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Solution

The fourth proportional to 400,629.62, 552,869.34 and 219,342.98 is: 302,693.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,629.62 : 552,869.34 = 219,342.98 : x
  2. Step 2: Convert to fraction form
    400,629.62/552,869.34 = 219,342.98/x
  3. Step 3: Cross multiply
    400,629.62x = 552,869.34 × 219,342.98
  4. Step 4: Simplify right side
    400,629.62x = 121,268,008,586.23
  5. Step 5: Solve for x
    x = 121,268,008,586.23/400,629.62
  6. Step 6: Final answer
    x = 302,693.57

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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.