Home / 339,652.20-508,895.10-221,262.60

Finding the Fourth Proportional to 339,652.20, 508,895.10 and 221,262.60

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Solution

The fourth proportional to 339,652.20, 508,895.10 and 221,262.60 is: 331,513.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,652.20 : 508,895.10 = 221,262.60 : x
  2. Step 2: Convert to fraction form
    339,652.20/508,895.10 = 221,262.60/x
  3. Step 3: Cross multiply
    339,652.20x = 508,895.10 × 221,262.60
  4. Step 4: Simplify right side
    339,652.20x = 112,599,452,953.26
  5. Step 5: Solve for x
    x = 112,599,452,953.26/339,652.20
  6. Step 6: Final answer
    x = 331,513.98

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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.