Home / 309,929.24-465,142.92-160,213.34

Finding the Fourth Proportional to 309,929.24, 465,142.92 and 160,213.34

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Solution

The fourth proportional to 309,929.24, 465,142.92 and 160,213.34 is: 240,448.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,929.24 : 465,142.92 = 160,213.34 : x
  2. Step 2: Convert to fraction form
    309,929.24/465,142.92 = 160,213.34/x
  3. Step 3: Cross multiply
    309,929.24x = 465,142.92 × 160,213.34
  4. Step 4: Simplify right side
    309,929.24x = 74,522,100,790.55
  5. Step 5: Solve for x
    x = 74,522,100,790.55/309,929.24
  6. Step 6: Final answer
    x = 240,448.76

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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.