Home / 400,387.37-552,534.55-219,099.33

Finding the Fourth Proportional to 400,387.37, 552,534.55 and 219,099.33

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Solution

The fourth proportional to 400,387.37, 552,534.55 and 219,099.33 is: 302,357.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,387.37 : 552,534.55 = 219,099.33 : x
  2. Step 2: Convert to fraction form
    400,387.37/552,534.55 = 219,099.33/x
  3. Step 3: Cross multiply
    400,387.37x = 552,534.55 × 219,099.33
  4. Step 4: Simplify right side
    400,387.37x = 121,059,949,159.10
  5. Step 5: Solve for x
    x = 121,059,949,159.10/400,387.37
  6. Step 6: Final answer
    x = 302,357.07

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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.