Home / 209,381.48-313,346.44-200,672.36

Finding the Fourth Proportional to 209,381.48, 313,346.44 and 200,672.36

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Solution

The fourth proportional to 209,381.48, 313,346.44 and 200,672.36 is: 300,312.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,381.48 : 313,346.44 = 200,672.36 : x
  2. Step 2: Convert to fraction form
    209,381.48/313,346.44 = 200,672.36/x
  3. Step 3: Cross multiply
    209,381.48x = 313,346.44 × 200,672.36
  4. Step 4: Simplify right side
    209,381.48x = 62,879,969,612.40
  5. Step 5: Solve for x
    x = 62,879,969,612.40/209,381.48
  6. Step 6: Final answer
    x = 300,312.95

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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.