Home / 557,131-836,028.58-202,172.72

Finding the Fourth Proportional to 557,131, 836,028.58 and 202,172.72

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Solution

The fourth proportional to 557,131, 836,028.58 and 202,172.72 is: 303,379.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,131 : 836,028.58 = 202,172.72 : x
  2. Step 2: Convert to fraction form
    557,131/836,028.58 = 202,172.72/x
  3. Step 3: Cross multiply
    557,131x = 836,028.58 × 202,172.72
  4. Step 4: Simplify right side
    557,131x = 169,022,172,016.34
  5. Step 5: Solve for x
    x = 169,022,172,016.34/557,131
  6. Step 6: Final answer
    x = 303,379.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.