Home / 263,145.20-363,144.20-148,429.31

Finding the Fourth Proportional to 263,145.20, 363,144.20 and 148,429.31

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Solution

The fourth proportional to 263,145.20, 363,144.20 and 148,429.31 is: 204,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,145.20 : 363,144.20 = 148,429.31 : x
  2. Step 2: Convert to fraction form
    263,145.20/363,144.20 = 148,429.31/x
  3. Step 3: Cross multiply
    263,145.20x = 363,144.20 × 148,429.31
  4. Step 4: Simplify right side
    263,145.20x = 53,901,240,478.63
  5. Step 5: Solve for x
    x = 53,901,240,478.63/263,145.20
  6. Step 6: Final answer
    x = 204,834.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.