Home / 255,321.30-352,340.42-140,597.55

Finding the Fourth Proportional to 255,321.30, 352,340.42 and 140,597.55

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Solution

The fourth proportional to 255,321.30, 352,340.42 and 140,597.55 is: 194,022.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,321.30 : 352,340.42 = 140,597.55 : x
  2. Step 2: Convert to fraction form
    255,321.30/352,340.42 = 140,597.55/x
  3. Step 3: Cross multiply
    255,321.30x = 352,340.42 × 140,597.55
  4. Step 4: Simplify right side
    255,321.30x = 49,538,199,114.98
  5. Step 5: Solve for x
    x = 49,538,199,114.98/255,321.30
  6. Step 6: Final answer
    x = 194,022.98

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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.