Home / 209,250.34-313,872.80-51,480.16

Finding the Fourth Proportional to 209,250.34, 313,872.80 and 51,480.16

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Solution

The fourth proportional to 209,250.34, 313,872.80 and 51,480.16 is: 77,219.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,250.34 : 313,872.80 = 51,480.16 : x
  2. Step 2: Convert to fraction form
    209,250.34/313,872.80 = 51,480.16/x
  3. Step 3: Cross multiply
    209,250.34x = 313,872.80 × 51,480.16
  4. Step 4: Simplify right side
    209,250.34x = 16,158,221,963.65
  5. Step 5: Solve for x
    x = 16,158,221,963.65/209,250.34
  6. Step 6: Final answer
    x = 77,219.57

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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.