Finding the Fourth Proportional to 207,886.94, 286,884.67 and 112,394.31
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Solution
The fourth proportional to 207,886.94, 286,884.67 and 112,394.31 is: 155,104.52
Step by Step Solution
- Step 1: Write the proportion equation
207,886.94 : 286,884.67 = 112,394.31 : x - Step 2: Convert to fraction form
207,886.94/286,884.67 = 112,394.31/x - Step 3: Cross multiply
207,886.94x = 286,884.67 × 112,394.31 - Step 4: Simplify right side
207,886.94x = 32,244,204,534.23 - Step 5: Solve for x
x = 32,244,204,534.23/207,886.94 - Step 6: Final answer
x = 155,104.52
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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.