Home / 319,788.66-479,933.55-223,097.04

Finding the Fourth Proportional to 319,788.66, 479,933.55 and 223,097.04

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Solution

The fourth proportional to 319,788.66, 479,933.55 and 223,097.04 is: 334,820.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,788.66 : 479,933.55 = 223,097.04 : x
  2. Step 2: Convert to fraction form
    319,788.66/479,933.55 = 223,097.04/x
  3. Step 3: Cross multiply
    319,788.66x = 479,933.55 × 223,097.04
  4. Step 4: Simplify right side
    319,788.66x = 107,071,754,401.69
  5. Step 5: Solve for x
    x = 107,071,754,401.69/319,788.66
  6. Step 6: Final answer
    x = 334,820.36

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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.