Home / 236,912.20-355,368.30-143,600.20

Finding the Fourth Proportional to 236,912.20, 355,368.30 and 143,600.20

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Solution

The fourth proportional to 236,912.20, 355,368.30 and 143,600.20 is: 215,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,912.20 : 355,368.30 = 143,600.20 : x
  2. Step 2: Convert to fraction form
    236,912.20/355,368.30 = 143,600.20/x
  3. Step 3: Cross multiply
    236,912.20x = 355,368.30 × 143,600.20
  4. Step 4: Simplify right side
    236,912.20x = 51,030,958,953.66
  5. Step 5: Solve for x
    x = 51,030,958,953.66/236,912.20
  6. Step 6: Final answer
    x = 215,400.30

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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.