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Finding the Fourth Proportional to 255,958.30, 353,220.06 and 141,238

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Solution

The fourth proportional to 255,958.30, 353,220.06 and 141,238 is: 194,907.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,958.30 : 353,220.06 = 141,238 : x
  2. Step 2: Convert to fraction form
    255,958.30/353,220.06 = 141,238/x
  3. Step 3: Cross multiply
    255,958.30x = 353,220.06 × 141,238
  4. Step 4: Simplify right side
    255,958.30x = 49,888,094,834.28
  5. Step 5: Solve for x
    x = 49,888,094,834.28/255,958.30
  6. Step 6: Final answer
    x = 194,907.12

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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.