Home / 208,669.19-313,446.35-196,521.62

Finding the Fourth Proportional to 208,669.19, 313,446.35 and 196,521.62

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Solution

The fourth proportional to 208,669.19, 313,446.35 and 196,521.62 is: 295,199.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,669.19 : 313,446.35 = 196,521.62 : x
  2. Step 2: Convert to fraction form
    208,669.19/313,446.35 = 196,521.62/x
  3. Step 3: Cross multiply
    208,669.19x = 313,446.35 × 196,521.62
  4. Step 4: Simplify right side
    208,669.19x = 61,598,983,409.16
  5. Step 5: Solve for x
    x = 61,598,983,409.16/208,669.19
  6. Step 6: Final answer
    x = 295,199.23

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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.