Home / 397,221.43-548,176.92-242,181.67

Finding the Fourth Proportional to 397,221.43, 548,176.92 and 242,181.67

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Solution

The fourth proportional to 397,221.43, 548,176.92 and 242,181.67 is: 334,217.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,221.43 : 548,176.92 = 242,181.67 : x
  2. Step 2: Convert to fraction form
    397,221.43/548,176.92 = 242,181.67/x
  3. Step 3: Cross multiply
    397,221.43x = 548,176.92 × 242,181.67
  4. Step 4: Simplify right side
    397,221.43x = 132,758,401,941.06
  5. Step 5: Solve for x
    x = 132,758,401,941.06/397,221.43
  6. Step 6: Final answer
    x = 334,217.62

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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.