Home / 283,525.20-424,704.60-143,362.80

Finding the Fourth Proportional to 283,525.20, 424,704.60 and 143,362.80

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Solution

The fourth proportional to 283,525.20, 424,704.60 and 143,362.80 is: 214,749.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,525.20 : 424,704.60 = 143,362.80 : x
  2. Step 2: Convert to fraction form
    283,525.20/424,704.60 = 143,362.80/x
  3. Step 3: Cross multiply
    283,525.20x = 424,704.60 × 143,362.80
  4. Step 4: Simplify right side
    283,525.20x = 60,886,840,628.88
  5. Step 5: Solve for x
    x = 60,886,840,628.88/283,525.20
  6. Step 6: Final answer
    x = 214,749.31

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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.