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Finding the Fourth Proportional to 350,565.30, 483,879.21 and 207,375.12

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Solution

The fourth proportional to 350,565.30, 483,879.21 and 207,375.12 is: 286,236.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,565.30 : 483,879.21 = 207,375.12 : x
  2. Step 2: Convert to fraction form
    350,565.30/483,879.21 = 207,375.12/x
  3. Step 3: Cross multiply
    350,565.30x = 483,879.21 × 207,375.12
  4. Step 4: Simplify right side
    350,565.30x = 100,344,509,239.26
  5. Step 5: Solve for x
    x = 100,344,509,239.26/350,565.30
  6. Step 6: Final answer
    x = 286,236.29

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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.