Home / 345,990.57-477,467.29-193,028.79

Finding the Fourth Proportional to 345,990.57, 477,467.29 and 193,028.79

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Solution

The fourth proportional to 345,990.57, 477,467.29 and 193,028.79 is: 266,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,990.57 : 477,467.29 = 193,028.79 : x
  2. Step 2: Convert to fraction form
    345,990.57/477,467.29 = 193,028.79/x
  3. Step 3: Cross multiply
    345,990.57x = 477,467.29 × 193,028.79
  4. Step 4: Simplify right side
    345,990.57x = 92,164,934,923.14
  5. Step 5: Solve for x
    x = 92,164,934,923.14/345,990.57
  6. Step 6: Final answer
    x = 266,379.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.