Home / 255,488.64-352,585.20-142,311.44

Finding the Fourth Proportional to 255,488.64, 352,585.20 and 142,311.44

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Solution

The fourth proportional to 255,488.64, 352,585.20 and 142,311.44 is: 196,395.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,488.64 : 352,585.20 = 142,311.44 : x
  2. Step 2: Convert to fraction form
    255,488.64/352,585.20 = 142,311.44/x
  3. Step 3: Cross multiply
    255,488.64x = 352,585.20 × 142,311.44
  4. Step 4: Simplify right side
    255,488.64x = 50,176,907,534.69
  5. Step 5: Solve for x
    x = 50,176,907,534.69/255,488.64
  6. Step 6: Final answer
    x = 196,395.85

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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.