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Finding the Fourth Proportional to 144,559.60, 216,845.48 and 51,065.84

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Solution

The fourth proportional to 144,559.60, 216,845.48 and 51,065.84 is: 76,600.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,559.60 : 216,845.48 = 51,065.84 : x
  2. Step 2: Convert to fraction form
    144,559.60/216,845.48 = 51,065.84/x
  3. Step 3: Cross multiply
    144,559.60x = 216,845.48 × 51,065.84
  4. Step 4: Simplify right side
    144,559.60x = 11,073,396,586.40
  5. Step 5: Solve for x
    x = 11,073,396,586.40/144,559.60
  6. Step 6: Final answer
    x = 76,600.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.