Finding the Fourth Proportional to 207,880.27, 286,874.80 and 112,386.94
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Solution
The fourth proportional to 207,880.27, 286,874.80 and 112,386.94 is: 155,093.99
Step by Step Solution
- Step 1: Write the proportion equation
207,880.27 : 286,874.80 = 112,386.94 : x - Step 2: Convert to fraction form
207,880.27/286,874.80 = 112,386.94/x - Step 3: Cross multiply
207,880.27x = 286,874.80 × 112,386.94 - Step 4: Simplify right side
207,880.27x = 32,240,980,935.11 - Step 5: Solve for x
x = 32,240,980,935.11/207,880.27 - Step 6: Final answer
x = 155,093.99
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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.