Home / 446,522.20-669,857.10-206,875.60

Finding the Fourth Proportional to 446,522.20, 669,857.10 and 206,875.60

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Solution

The fourth proportional to 446,522.20, 669,857.10 and 206,875.60 is: 310,347.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,522.20 : 669,857.10 = 206,875.60 : x
  2. Step 2: Convert to fraction form
    446,522.20/669,857.10 = 206,875.60/x
  3. Step 3: Cross multiply
    446,522.20x = 669,857.10 × 206,875.60
  4. Step 4: Simplify right side
    446,522.20x = 138,577,089,476.76
  5. Step 5: Solve for x
    x = 138,577,089,476.76/446,522.20
  6. Step 6: Final answer
    x = 310,347.59

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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.