Home / 209,239.04-313,860.48-149,013.44

Finding the Fourth Proportional to 209,239.04, 313,860.48 and 149,013.44

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Solution

The fourth proportional to 209,239.04, 313,860.48 and 149,013.44 is: 223,521.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,239.04 : 313,860.48 = 149,013.44 : x
  2. Step 2: Convert to fraction form
    209,239.04/313,860.48 = 149,013.44/x
  3. Step 3: Cross multiply
    209,239.04x = 313,860.48 × 149,013.44
  4. Step 4: Simplify right side
    209,239.04x = 46,769,429,804.85
  5. Step 5: Solve for x
    x = 46,769,429,804.85/209,239.04
  6. Step 6: Final answer
    x = 223,521.53

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1.5x scale

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.