Home / 667,086.30-1,000,629.45-168,450.30

Finding the Fourth Proportional to 667,086.30, 1,000,629.45 and 168,450.30

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Solution

The fourth proportional to 667,086.30, 1,000,629.45 and 168,450.30 is: 252,675.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,086.30 : 1,000,629.45 = 168,450.30 : x
  2. Step 2: Convert to fraction form
    667,086.30/1,000,629.45 = 168,450.30/x
  3. Step 3: Cross multiply
    667,086.30x = 1,000,629.45 × 168,450.30
  4. Step 4: Simplify right side
    667,086.30x = 168,556,331,041.34
  5. Step 5: Solve for x
    x = 168,556,331,041.34/667,086.30
  6. Step 6: Final answer
    x = 252,675.45

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1.5x scale

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.