Home / 318,055.94-438,907.92-182,085.38

Finding the Fourth Proportional to 318,055.94, 438,907.92 and 182,085.38

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Solution

The fourth proportional to 318,055.94, 438,907.92 and 182,085.38 is: 251,272.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,055.94 : 438,907.92 = 182,085.38 : x
  2. Step 2: Convert to fraction form
    318,055.94/438,907.92 = 182,085.38/x
  3. Step 3: Cross multiply
    318,055.94x = 438,907.92 × 182,085.38
  4. Step 4: Simplify right side
    318,055.94x = 79,918,715,398.21
  5. Step 5: Solve for x
    x = 79,918,715,398.21/318,055.94
  6. Step 6: Final answer
    x = 251,272.51

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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.