Home / 399,788.72-599,849.24-175,033.40

Finding the Fourth Proportional to 399,788.72, 599,849.24 and 175,033.40

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Solution

The fourth proportional to 399,788.72, 599,849.24 and 175,033.40 is: 262,622.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,788.72 : 599,849.24 = 175,033.40 : x
  2. Step 2: Convert to fraction form
    399,788.72/599,849.24 = 175,033.40/x
  3. Step 3: Cross multiply
    399,788.72x = 599,849.24 × 175,033.40
  4. Step 4: Simplify right side
    399,788.72x = 104,993,651,964.62
  5. Step 5: Solve for x
    x = 104,993,651,964.62/399,788.72
  6. Step 6: Final answer
    x = 262,622.85

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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.