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Finding the Fourth Proportional to 449,915.52, 675,041.76 and 233,639.46

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Solution

The fourth proportional to 449,915.52, 675,041.76 and 233,639.46 is: 350,546.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,915.52 : 675,041.76 = 233,639.46 : x
  2. Step 2: Convert to fraction form
    449,915.52/675,041.76 = 233,639.46/x
  3. Step 3: Cross multiply
    449,915.52x = 675,041.76 × 233,639.46
  4. Step 4: Simplify right side
    449,915.52x = 157,716,392,283.85
  5. Step 5: Solve for x
    x = 157,716,392,283.85/449,915.52
  6. Step 6: Final answer
    x = 350,546.68

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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.