Finding the Fourth Proportional to 99,665.67, 149,472.99 and 29,528.58
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Solution
The fourth proportional to 99,665.67, 149,472.99 and 29,528.58 is: 44,285.31
Step by Step Solution
- Step 1: Write the proportion equation
99,665.67 : 149,472.99 = 29,528.58 : x - Step 2: Convert to fraction form
99,665.67/149,472.99 = 29,528.58/x - Step 3: Cross multiply
99,665.67x = 149,472.99 × 29,528.58 - Step 4: Simplify right side
99,665.67x = 4,413,725,143.05 - Step 5: Solve for x
x = 4,413,725,143.05/99,665.67 - Step 6: Final answer
x = 44,285.31
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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.