Finding the Fourth Proportional to 144,735.36, 217,177.20 and 68,919.76
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Solution
The fourth proportional to 144,735.36, 217,177.20 and 68,919.76 is: 103,414.95
Step by Step Solution
- Step 1: Write the proportion equation
144,735.36 : 217,177.20 = 68,919.76 : x - Step 2: Convert to fraction form
144,735.36/217,177.20 = 68,919.76/x - Step 3: Cross multiply
144,735.36x = 217,177.20 × 68,919.76 - Step 4: Simplify right side
144,735.36x = 14,967,800,501.47 - Step 5: Solve for x
x = 14,967,800,501.47/144,735.36 - Step 6: Final answer
x = 103,414.95
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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.