Home / 628,901.14-943,499.32-208,177

Finding the Fourth Proportional to 628,901.14, 943,499.32 and 208,177

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Solution

The fourth proportional to 628,901.14, 943,499.32 and 208,177 is: 312,314.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,901.14 : 943,499.32 = 208,177 : x
  2. Step 2: Convert to fraction form
    628,901.14/943,499.32 = 208,177/x
  3. Step 3: Cross multiply
    628,901.14x = 943,499.32 × 208,177
  4. Step 4: Simplify right side
    628,901.14x = 196,414,857,939.64
  5. Step 5: Solve for x
    x = 196,414,857,939.64/628,901.14
  6. Step 6: Final answer
    x = 312,314.36

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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.