Home / 313,999.21-470,872.01-121,772.44

Finding the Fourth Proportional to 313,999.21, 470,872.01 and 121,772.44

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Solution

The fourth proportional to 313,999.21, 470,872.01 and 121,772.44 is: 182,609.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,999.21 : 470,872.01 = 121,772.44 : x
  2. Step 2: Convert to fraction form
    313,999.21/470,872.01 = 121,772.44/x
  3. Step 3: Cross multiply
    313,999.21x = 470,872.01 × 121,772.44
  4. Step 4: Simplify right side
    313,999.21x = 57,339,233,585.40
  5. Step 5: Solve for x
    x = 57,339,233,585.40/313,999.21
  6. Step 6: Final answer
    x = 182,609.48

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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.