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Finding the Fourth Proportional to 367,317.45, 506,859.18 and 206,190.22

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Solution

The fourth proportional to 367,317.45, 506,859.18 and 206,190.22 is: 284,520.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,317.45 : 506,859.18 = 206,190.22 : x
  2. Step 2: Convert to fraction form
    367,317.45/506,859.18 = 206,190.22/x
  3. Step 3: Cross multiply
    367,317.45x = 506,859.18 × 206,190.22
  4. Step 4: Simplify right side
    367,317.45x = 104,509,407,100.37
  5. Step 5: Solve for x
    x = 104,509,407,100.37/367,317.45
  6. Step 6: Final answer
    x = 284,520.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.