Home / 400,851.05-553,174.33-219,574.27

Finding the Fourth Proportional to 400,851.05, 553,174.33 and 219,574.27

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Solution

The fourth proportional to 400,851.05, 553,174.33 and 219,574.27 is: 303,012.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,851.05 : 553,174.33 = 219,574.27 : x
  2. Step 2: Convert to fraction form
    400,851.05/553,174.33 = 219,574.27/x
  3. Step 3: Cross multiply
    400,851.05x = 553,174.33 × 219,574.27
  4. Step 4: Simplify right side
    400,851.05x = 121,462,845,828.75
  5. Step 5: Solve for x
    x = 121,462,845,828.75/400,851.05
  6. Step 6: Final answer
    x = 303,012.42

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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.