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Finding the Fourth Proportional to 255,024.96, 351,942.96 and 140,308.32

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Solution

The fourth proportional to 255,024.96, 351,942.96 and 140,308.32 is: 193,630.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,024.96 : 351,942.96 = 140,308.32 : x
  2. Step 2: Convert to fraction form
    255,024.96/351,942.96 = 140,308.32/x
  3. Step 3: Cross multiply
    255,024.96x = 351,942.96 × 140,308.32
  4. Step 4: Simplify right side
    255,024.96x = 49,380,525,453.43
  5. Step 5: Solve for x
    x = 49,380,525,453.43/255,024.96
  6. Step 6: Final answer
    x = 193,630.17

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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.