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Finding the Fourth Proportional to 355,370.56, 490,422.72 and 194,222.08

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Solution

The fourth proportional to 355,370.56, 490,422.72 and 194,222.08 is: 268,032.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,370.56 : 490,422.72 = 194,222.08 : x
  2. Step 2: Convert to fraction form
    355,370.56/490,422.72 = 194,222.08/x
  3. Step 3: Cross multiply
    355,370.56x = 490,422.72 × 194,222.08
  4. Step 4: Simplify right side
    355,370.56x = 95,250,920,757.66
  5. Step 5: Solve for x
    x = 95,250,920,757.66/355,370.56
  6. Step 6: Final answer
    x = 268,032.67

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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.