Home / 629,102.26-943,664.33-208,389.07

Finding the Fourth Proportional to 629,102.26, 943,664.33 and 208,389.07

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Solution

The fourth proportional to 629,102.26, 943,664.33 and 208,389.07 is: 312,587.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,102.26 : 943,664.33 = 208,389.07 : x
  2. Step 2: Convert to fraction form
    629,102.26/943,664.33 = 208,389.07/x
  3. Step 3: Cross multiply
    629,102.26x = 943,664.33 × 208,389.07
  4. Step 4: Simplify right side
    629,102.26x = 196,649,332,120.87
  5. Step 5: Solve for x
    x = 196,649,332,120.87/629,102.26
  6. Step 6: Final answer
    x = 312,587.23

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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.