Home / 204,986.10-307,479.15-197,112.90

Finding the Fourth Proportional to 204,986.10, 307,479.15 and 197,112.90

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Solution

The fourth proportional to 204,986.10, 307,479.15 and 197,112.90 is: 295,669.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,986.10 : 307,479.15 = 197,112.90 : x
  2. Step 2: Convert to fraction form
    204,986.10/307,479.15 = 197,112.90/x
  3. Step 3: Cross multiply
    204,986.10x = 307,479.15 × 197,112.90
  4. Step 4: Simplify right side
    204,986.10x = 60,608,106,946.04
  5. Step 5: Solve for x
    x = 60,608,106,946.04/204,986.10
  6. Step 6: Final answer
    x = 295,669.35

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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.