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Finding the Fourth Proportional to 380,737.95, 570,982.33 and 178,271.38

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Solution

The fourth proportional to 380,737.95, 570,982.33 and 178,271.38 is: 267,348.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,737.95 : 570,982.33 = 178,271.38 : x
  2. Step 2: Convert to fraction form
    380,737.95/570,982.33 = 178,271.38/x
  3. Step 3: Cross multiply
    380,737.95x = 570,982.33 × 178,271.38
  4. Step 4: Simplify right side
    380,737.95x = 101,789,807,924.72
  5. Step 5: Solve for x
    x = 101,789,807,924.72/380,737.95
  6. Step 6: Final answer
    x = 267,348.73

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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.