Home / 400,141.29-552,174.26-218,817.93

Finding the Fourth Proportional to 400,141.29, 552,174.26 and 218,817.93

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Solution

The fourth proportional to 400,141.29, 552,174.26 and 218,817.93 is: 301,957.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,141.29 : 552,174.26 = 218,817.93 : x
  2. Step 2: Convert to fraction form
    400,141.29/552,174.26 = 218,817.93/x
  3. Step 3: Cross multiply
    400,141.29x = 552,174.26 × 218,817.93
  4. Step 4: Simplify right side
    400,141.29x = 120,825,627,478.39
  5. Step 5: Solve for x
    x = 120,825,627,478.39/400,141.29
  6. Step 6: Final answer
    x = 301,957.41

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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.