Home / 204,829.20-307,243.80-186,458.40

Finding the Fourth Proportional to 204,829.20, 307,243.80 and 186,458.40

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Solution

The fourth proportional to 204,829.20, 307,243.80 and 186,458.40 is: 279,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,829.20 : 307,243.80 = 186,458.40 : x
  2. Step 2: Convert to fraction form
    204,829.20/307,243.80 = 186,458.40/x
  3. Step 3: Cross multiply
    204,829.20x = 307,243.80 × 186,458.40
  4. Step 4: Simplify right side
    204,829.20x = 57,288,187,357.92
  5. Step 5: Solve for x
    x = 57,288,187,357.92/204,829.20
  6. Step 6: Final answer
    x = 279,687.60

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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.