Home / 349,771.20-482,670-206,577.60

Finding the Fourth Proportional to 349,771.20, 482,670 and 206,577.60

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Solution

The fourth proportional to 349,771.20, 482,670 and 206,577.60 is: 285,068.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,771.20 : 482,670 = 206,577.60 : x
  2. Step 2: Convert to fraction form
    349,771.20/482,670 = 206,577.60/x
  3. Step 3: Cross multiply
    349,771.20x = 482,670 × 206,577.60
  4. Step 4: Simplify right side
    349,771.20x = 99,708,810,192
  5. Step 5: Solve for x
    x = 99,708,810,192/349,771.20
  6. Step 6: Final answer
    x = 285,068.67

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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.