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Finding the Fourth Proportional to 350,603.56, 483,893.70 and 338,939.56

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Solution

The fourth proportional to 350,603.56, 483,893.70 and 338,939.56 is: 467,795.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,603.56 : 483,893.70 = 338,939.56 : x
  2. Step 2: Convert to fraction form
    350,603.56/483,893.70 = 338,939.56/x
  3. Step 3: Cross multiply
    350,603.56x = 483,893.70 × 338,939.56
  4. Step 4: Simplify right side
    350,603.56x = 164,010,717,764.77
  5. Step 5: Solve for x
    x = 164,010,717,764.77/350,603.56
  6. Step 6: Final answer
    x = 467,795.36

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1.5x scale

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.