Home / 318,028.31-438,860.52-174,788.47

Finding the Fourth Proportional to 318,028.31, 438,860.52 and 174,788.47

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Solution

The fourth proportional to 318,028.31, 438,860.52 and 174,788.47 is: 241,197.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,028.31 : 438,860.52 = 174,788.47 : x
  2. Step 2: Convert to fraction form
    318,028.31/438,860.52 = 174,788.47/x
  3. Step 3: Cross multiply
    318,028.31x = 438,860.52 × 174,788.47
  4. Step 4: Simplify right side
    318,028.31x = 76,707,758,834.20
  5. Step 5: Solve for x
    x = 76,707,758,834.20/318,028.31
  6. Step 6: Final answer
    x = 241,197.89

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1.5x scale

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.