Finding the Fourth Proportional to 112,917.94, 169,376.91 and 29,812.66
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Solution
The fourth proportional to 112,917.94, 169,376.91 and 29,812.66 is: 44,718.99
Step by Step Solution
- Step 1: Write the proportion equation
112,917.94 : 169,376.91 = 29,812.66 : x - Step 2: Convert to fraction form
112,917.94/169,376.91 = 29,812.66/x - Step 3: Cross multiply
112,917.94x = 169,376.91 × 29,812.66 - Step 4: Simplify right side
112,917.94x = 5,049,576,229.68 - Step 5: Solve for x
x = 5,049,576,229.68/112,917.94 - Step 6: Final answer
x = 44,718.99
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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.