Home / 446,302.18-669,566.55-206,589.01

Finding the Fourth Proportional to 446,302.18, 669,566.55 and 206,589.01

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Solution

The fourth proportional to 446,302.18, 669,566.55 and 206,589.01 is: 309,935.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,302.18 : 669,566.55 = 206,589.01 : x
  2. Step 2: Convert to fraction form
    446,302.18/669,566.55 = 206,589.01/x
  3. Step 3: Cross multiply
    446,302.18x = 669,566.55 × 206,589.01
  4. Step 4: Simplify right side
    446,302.18x = 138,325,090,693.62
  5. Step 5: Solve for x
    x = 138,325,090,693.62/446,302.18
  6. Step 6: Final answer
    x = 309,935.95

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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.