Home / 331,265.36-496,900.63-181,423.90

Finding the Fourth Proportional to 331,265.36, 496,900.63 and 181,423.90

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Solution

The fourth proportional to 331,265.36, 496,900.63 and 181,423.90 is: 272,137.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,265.36 : 496,900.63 = 181,423.90 : x
  2. Step 2: Convert to fraction form
    331,265.36/496,900.63 = 181,423.90/x
  3. Step 3: Cross multiply
    331,265.36x = 496,900.63 × 181,423.90
  4. Step 4: Simplify right side
    331,265.36x = 90,149,651,054.96
  5. Step 5: Solve for x
    x = 90,149,651,054.96/331,265.36
  6. Step 6: Final answer
    x = 272,137.27

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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.