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Finding the Fourth Proportional to 533,130.58, 799,737.09 and 178,145.83

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Solution

The fourth proportional to 533,130.58, 799,737.09 and 178,145.83 is: 267,232.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,130.58 : 799,737.09 = 178,145.83 : x
  2. Step 2: Convert to fraction form
    533,130.58/799,737.09 = 178,145.83/x
  3. Step 3: Cross multiply
    533,130.58x = 799,737.09 × 178,145.83
  4. Step 4: Simplify right side
    533,130.58x = 142,469,827,679.84
  5. Step 5: Solve for x
    x = 142,469,827,679.84/533,130.58
  6. Step 6: Final answer
    x = 267,232.52

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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.