Finding the Fourth Proportional to 135,647.99, 203,265.43 and 68,988.23
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Solution
The fourth proportional to 135,647.99, 203,265.43 and 68,988.23 is: 103,377.29
Step by Step Solution
- Step 1: Write the proportion equation
135,647.99 : 203,265.43 = 68,988.23 : x - Step 2: Convert to fraction form
135,647.99/203,265.43 = 68,988.23/x - Step 3: Cross multiply
135,647.99x = 203,265.43 × 68,988.23 - Step 4: Simplify right side
135,647.99x = 14,022,922,235.89 - Step 5: Solve for x
x = 14,022,922,235.89/135,647.99 - Step 6: Final answer
x = 103,377.29
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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.