Home / 328,890.24-493,257.60-151,286.40

Finding the Fourth Proportional to 328,890.24, 493,257.60 and 151,286.40

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Solution

The fourth proportional to 328,890.24, 493,257.60 and 151,286.40 is: 226,893.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,890.24 : 493,257.60 = 151,286.40 : x
  2. Step 2: Convert to fraction form
    328,890.24/493,257.60 = 151,286.40/x
  3. Step 3: Cross multiply
    328,890.24x = 493,257.60 × 151,286.40
  4. Step 4: Simplify right side
    328,890.24x = 74,623,166,576.64
  5. Step 5: Solve for x
    x = 74,623,166,576.64/328,890.24
  6. Step 6: Final answer
    x = 226,893.83

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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.