Finding the Fourth Proportional to 99,845.99, 149,725.23 and 37,472.75
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Solution
The fourth proportional to 99,845.99, 149,725.23 and 37,472.75 is: 56,192.70
Step by Step Solution
- Step 1: Write the proportion equation
99,845.99 : 149,725.23 = 37,472.75 : x - Step 2: Convert to fraction form
99,845.99/149,725.23 = 37,472.75/x - Step 3: Cross multiply
99,845.99x = 149,725.23 × 37,472.75 - Step 4: Simplify right side
99,845.99x = 5,610,616,112.48 - Step 5: Solve for x
x = 5,610,616,112.48/99,845.99 - Step 6: Final answer
x = 56,192.70
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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.