Home / 263,999.27-364,319.78-143,140.58

Finding the Fourth Proportional to 263,999.27, 364,319.78 and 143,140.58

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Solution

The fourth proportional to 263,999.27, 364,319.78 and 143,140.58 is: 197,534.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,999.27 : 364,319.78 = 143,140.58 : x
  2. Step 2: Convert to fraction form
    263,999.27/364,319.78 = 143,140.58/x
  3. Step 3: Cross multiply
    263,999.27x = 364,319.78 × 143,140.58
  4. Step 4: Simplify right side
    263,999.27x = 52,148,945,492.87
  5. Step 5: Solve for x
    x = 52,148,945,492.87/263,999.27
  6. Step 6: Final answer
    x = 197,534.43

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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.