Home / 498,455.27-747,800.75-161,495.37

Finding the Fourth Proportional to 498,455.27, 747,800.75 and 161,495.37

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Solution

The fourth proportional to 498,455.27, 747,800.75 and 161,495.37 is: 242,281.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,455.27 : 747,800.75 = 161,495.37 : x
  2. Step 2: Convert to fraction form
    498,455.27/747,800.75 = 161,495.37/x
  3. Step 3: Cross multiply
    498,455.27x = 747,800.75 × 161,495.37
  4. Step 4: Simplify right side
    498,455.27x = 120,766,359,211.27
  5. Step 5: Solve for x
    x = 120,766,359,211.27/498,455.27
  6. Step 6: Final answer
    x = 242,281.24

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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.