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Finding the Fourth Proportional to 233,679.87, 350,601.21 and 73,780.47

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Solution

The fourth proportional to 233,679.87, 350,601.21 and 73,780.47 is: 110,696.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,679.87 : 350,601.21 = 73,780.47 : x
  2. Step 2: Convert to fraction form
    233,679.87/350,601.21 = 73,780.47/x
  3. Step 3: Cross multiply
    233,679.87x = 350,601.21 × 73,780.47
  4. Step 4: Simplify right side
    233,679.87x = 25,867,522,056.37
  5. Step 5: Solve for x
    x = 25,867,522,056.37/233,679.87
  6. Step 6: Final answer
    x = 110,696.41

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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.