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Finding the Fourth Proportional to 255,890.60, 353,113.12 and 141,170.71

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Solution

The fourth proportional to 255,890.60, 353,113.12 and 141,170.71 is: 194,806.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,890.60 : 353,113.12 = 141,170.71 : x
  2. Step 2: Convert to fraction form
    255,890.60/353,113.12 = 141,170.71/x
  3. Step 3: Cross multiply
    255,890.60x = 353,113.12 × 141,170.71
  4. Step 4: Simplify right side
    255,890.60x = 49,849,229,860.72
  5. Step 5: Solve for x
    x = 49,849,229,860.72/255,890.60
  6. Step 6: Final answer
    x = 194,806.80

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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.