Finding the Fourth Proportional to 89,268.99, 133,904.25 and 22,709.18
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Solution
The fourth proportional to 89,268.99, 133,904.25 and 22,709.18 is: 34,063.96
Step by Step Solution
- Step 1: Write the proportion equation
89,268.99 : 133,904.25 = 22,709.18 : x - Step 2: Convert to fraction form
89,268.99/133,904.25 = 22,709.18/x - Step 3: Cross multiply
89,268.99x = 133,904.25 × 22,709.18 - Step 4: Simplify right side
89,268.99x = 3,040,855,506.05 - Step 5: Solve for x
x = 3,040,855,506.05/89,268.99 - Step 6: Final answer
x = 34,063.96
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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.