Home / 202,152.20-303,228.30-198,215.60

Finding the Fourth Proportional to 202,152.20, 303,228.30 and 198,215.60

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Solution

The fourth proportional to 202,152.20, 303,228.30 and 198,215.60 is: 297,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,152.20 : 303,228.30 = 198,215.60 : x
  2. Step 2: Convert to fraction form
    202,152.20/303,228.30 = 198,215.60/x
  3. Step 3: Cross multiply
    202,152.20x = 303,228.30 × 198,215.60
  4. Step 4: Simplify right side
    202,152.20x = 60,104,579,421.48
  5. Step 5: Solve for x
    x = 60,104,579,421.48/202,152.20
  6. Step 6: Final answer
    x = 297,323.40

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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.