Home / 318,418.33-439,417.29-175,175.30

Finding the Fourth Proportional to 318,418.33, 439,417.29 and 175,175.30

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Solution

The fourth proportional to 318,418.33, 439,417.29 and 175,175.30 is: 241,741.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,418.33 : 439,417.29 = 175,175.30 : x
  2. Step 2: Convert to fraction form
    318,418.33/439,417.29 = 175,175.30/x
  3. Step 3: Cross multiply
    318,418.33x = 439,417.29 × 175,175.30
  4. Step 4: Simplify right side
    318,418.33x = 76,975,055,600.94
  5. Step 5: Solve for x
    x = 76,975,055,600.94/318,418.33
  6. Step 6: Final answer
    x = 241,741.91

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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.