Finding the Fourth Proportional to 207,669.26, 286,583.64 and 112,176.02
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Solution
The fourth proportional to 207,669.26, 286,583.64 and 112,176.02 is: 154,802.94
Step by Step Solution
- Step 1: Write the proportion equation
207,669.26 : 286,583.64 = 112,176.02 : x - Step 2: Convert to fraction form
207,669.26/286,583.64 = 112,176.02/x - Step 3: Cross multiply
207,669.26x = 286,583.64 × 112,176.02 - Step 4: Simplify right side
207,669.26x = 32,147,812,132.31 - Step 5: Solve for x
x = 32,147,812,132.31/207,669.26 - Step 6: Final answer
x = 154,802.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.