Home / 226,149.34-339,263.10-76,390.72

Finding the Fourth Proportional to 226,149.34, 339,263.10 and 76,390.72

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Solution

The fourth proportional to 226,149.34, 339,263.10 and 76,390.72 is: 114,599.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,149.34 : 339,263.10 = 76,390.72 : x
  2. Step 2: Convert to fraction form
    226,149.34/339,263.10 = 76,390.72/x
  3. Step 3: Cross multiply
    226,149.34x = 339,263.10 × 76,390.72
  4. Step 4: Simplify right side
    226,149.34x = 25,916,552,478.43
  5. Step 5: Solve for x
    x = 25,916,552,478.43/226,149.34
  6. Step 6: Final answer
    x = 114,599.28

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1.5x scale

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.