Home / 255,378.22-352,421.72-140,657.64

Finding the Fourth Proportional to 255,378.22, 352,421.72 and 140,657.64

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Solution

The fourth proportional to 255,378.22, 352,421.72 and 140,657.64 is: 194,107.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,378.22 : 352,421.72 = 140,657.64 : x
  2. Step 2: Convert to fraction form
    255,378.22/352,421.72 = 140,657.64/x
  3. Step 3: Cross multiply
    255,378.22x = 352,421.72 × 140,657.64
  4. Step 4: Simplify right side
    255,378.22x = 49,570,807,419.94
  5. Step 5: Solve for x
    x = 49,570,807,419.94/255,378.22
  6. Step 6: Final answer
    x = 194,107.42

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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.