Finding the Fourth Proportional to 91,617.66, 137,193.21 and 60,358.14
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Solution
The fourth proportional to 91,617.66, 137,193.21 and 60,358.14 is: 90,383.52
Step by Step Solution
- Step 1: Write the proportion equation
91,617.66 : 137,193.21 = 60,358.14 : x - Step 2: Convert to fraction form
91,617.66/137,193.21 = 60,358.14/x - Step 3: Cross multiply
91,617.66x = 137,193.21 × 60,358.14 - Step 4: Simplify right side
91,617.66x = 8,280,726,976.23 - Step 5: Solve for x
x = 8,280,726,976.23/91,617.66 - Step 6: Final answer
x = 90,383.52
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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.