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Finding the Fourth Proportional to 255,758.06, 352,938.03 and 141,041.54

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Solution

The fourth proportional to 255,758.06, 352,938.03 and 141,041.54 is: 194,632.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,758.06 : 352,938.03 = 141,041.54 : x
  2. Step 2: Convert to fraction form
    255,758.06/352,938.03 = 141,041.54/x
  3. Step 3: Cross multiply
    255,758.06x = 352,938.03 × 141,041.54
  4. Step 4: Simplify right side
    255,758.06x = 49,778,921,511.08
  5. Step 5: Solve for x
    x = 49,778,921,511.08/255,758.06
  6. Step 6: Final answer
    x = 194,632.86

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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.