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Finding the Fourth Proportional to 350,456.28, 483,843.96 and 228,065.28

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Solution

The fourth proportional to 350,456.28, 483,843.96 and 228,065.28 is: 314,869.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,456.28 : 483,843.96 = 228,065.28 : x
  2. Step 2: Convert to fraction form
    350,456.28/483,843.96 = 228,065.28/x
  3. Step 3: Cross multiply
    350,456.28x = 483,843.96 × 228,065.28
  4. Step 4: Simplify right side
    350,456.28x = 110,348,008,213.71
  5. Step 5: Solve for x
    x = 110,348,008,213.71/350,456.28
  6. Step 6: Final answer
    x = 314,869.54

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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.