Home / 226,210.72-339,332.55-76,401.22

Finding the Fourth Proportional to 226,210.72, 339,332.55 and 76,401.22

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Solution

The fourth proportional to 226,210.72, 339,332.55 and 76,401.22 is: 114,607.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,210.72 : 339,332.55 = 76,401.22 : x
  2. Step 2: Convert to fraction form
    226,210.72/339,332.55 = 76,401.22/x
  3. Step 3: Cross multiply
    226,210.72x = 339,332.55 × 76,401.22
  4. Step 4: Simplify right side
    226,210.72x = 25,925,420,805.71
  5. Step 5: Solve for x
    x = 25,925,420,805.71/226,210.72
  6. Step 6: Final answer
    x = 114,607.39

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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.