Home / 446,428.80-669,566.40-165,801.60

Finding the Fourth Proportional to 446,428.80, 669,566.40 and 165,801.60

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Solution

The fourth proportional to 446,428.80, 669,566.40 and 165,801.60 is: 248,673.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,428.80 : 669,566.40 = 165,801.60 : x
  2. Step 2: Convert to fraction form
    446,428.80/669,566.40 = 165,801.60/x
  3. Step 3: Cross multiply
    446,428.80x = 669,566.40 × 165,801.60
  4. Step 4: Simplify right side
    446,428.80x = 111,015,180,426.24
  5. Step 5: Solve for x
    x = 111,015,180,426.24/446,428.80
  6. Step 6: Final answer
    x = 248,673.88

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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.