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Finding the Fourth Proportional to 233,715.20, 350,659.20 and 75,948.80

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Solution

The fourth proportional to 233,715.20, 350,659.20 and 75,948.80 is: 113,951.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,715.20 : 350,659.20 = 75,948.80 : x
  2. Step 2: Convert to fraction form
    233,715.20/350,659.20 = 75,948.80/x
  3. Step 3: Cross multiply
    233,715.20x = 350,659.20 × 75,948.80
  4. Step 4: Simplify right side
    233,715.20x = 26,632,145,448.96
  5. Step 5: Solve for x
    x = 26,632,145,448.96/233,715.20
  6. Step 6: Final answer
    x = 113,951.28

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1.5x scale

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.