Home / 263,760.24-395,639.40-145,369.20

Finding the Fourth Proportional to 263,760.24, 395,639.40 and 145,369.20

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Solution

The fourth proportional to 263,760.24, 395,639.40 and 145,369.20 is: 218,053.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,760.24 : 395,639.40 = 145,369.20 : x
  2. Step 2: Convert to fraction form
    263,760.24/395,639.40 = 145,369.20/x
  3. Step 3: Cross multiply
    263,760.24x = 395,639.40 × 145,369.20
  4. Step 4: Simplify right side
    263,760.24x = 57,513,783,066.48
  5. Step 5: Solve for x
    x = 57,513,783,066.48/263,760.24
  6. Step 6: Final answer
    x = 218,053.27

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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.