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Finding the Fourth Proportional to 488,735.67, 733,218.26 and 151,758.93

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Solution

The fourth proportional to 488,735.67, 733,218.26 and 151,758.93 is: 227,674.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,735.67 : 733,218.26 = 151,758.93 : x
  2. Step 2: Convert to fraction form
    488,735.67/733,218.26 = 151,758.93/x
  3. Step 3: Cross multiply
    488,735.67x = 733,218.26 × 151,758.93
  4. Step 4: Simplify right side
    488,735.67x = 111,272,417,835.27
  5. Step 5: Solve for x
    x = 111,272,417,835.27/488,735.67
  6. Step 6: Final answer
    x = 227,674.03

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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.