Home / 498,222.07-747,451.75-161,262.78

Finding the Fourth Proportional to 498,222.07, 747,451.75 and 161,262.78

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Solution

The fourth proportional to 498,222.07, 747,451.75 and 161,262.78 is: 241,932.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,222.07 : 747,451.75 = 161,262.78 : x
  2. Step 2: Convert to fraction form
    498,222.07/747,451.75 = 161,262.78/x
  3. Step 3: Cross multiply
    498,222.07x = 747,451.75 × 161,262.78
  4. Step 4: Simplify right side
    498,222.07x = 120,536,148,421.55
  5. Step 5: Solve for x
    x = 120,536,148,421.55/498,222.07
  6. Step 6: Final answer
    x = 241,932.57

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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.