Home / 300,829.80-451,244.70-248,298.60

Finding the Fourth Proportional to 300,829.80, 451,244.70 and 248,298.60

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Solution

The fourth proportional to 300,829.80, 451,244.70 and 248,298.60 is: 372,447.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,829.80 : 451,244.70 = 248,298.60 : x
  2. Step 2: Convert to fraction form
    300,829.80/451,244.70 = 248,298.60/x
  3. Step 3: Cross multiply
    300,829.80x = 451,244.70 × 248,298.60
  4. Step 4: Simplify right side
    300,829.80x = 112,043,427,267.42
  5. Step 5: Solve for x
    x = 112,043,427,267.42/300,829.80
  6. Step 6: Final answer
    x = 372,447.90

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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.