Home / 342,022.20-513,033.30-306,592.80

Finding the Fourth Proportional to 342,022.20, 513,033.30 and 306,592.80

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Solution

The fourth proportional to 342,022.20, 513,033.30 and 306,592.80 is: 459,889.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,022.20 : 513,033.30 = 306,592.80 : x
  2. Step 2: Convert to fraction form
    342,022.20/513,033.30 = 306,592.80/x
  3. Step 3: Cross multiply
    342,022.20x = 513,033.30 × 306,592.80
  4. Step 4: Simplify right side
    342,022.20x = 157,292,315,940.24
  5. Step 5: Solve for x
    x = 157,292,315,940.24/342,022.20
  6. Step 6: Final answer
    x = 459,889.20

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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.