Finding the Fourth Proportional to 151,711.73, 209,440.87 and 110,829.94
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Solution
The fourth proportional to 151,711.73, 209,440.87 and 110,829.94 is: 153,002.79
Step by Step Solution
- Step 1: Write the proportion equation
151,711.73 : 209,440.87 = 110,829.94 : x - Step 2: Convert to fraction form
151,711.73/209,440.87 = 110,829.94/x - Step 3: Cross multiply
151,711.73x = 209,440.87 × 110,829.94 - Step 4: Simplify right side
151,711.73x = 23,212,318,878.39 - Step 5: Solve for x
x = 23,212,318,878.39/151,711.73 - Step 6: Final answer
x = 153,002.79
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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.