Finding the Fourth Proportional to 207,822.62, 286,796.53 and 112,329.09
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Solution
The fourth proportional to 207,822.62, 286,796.53 and 112,329.09 is: 155,014.85
Step by Step Solution
- Step 1: Write the proportion equation
207,822.62 : 286,796.53 = 112,329.09 : x - Step 2: Convert to fraction form
207,822.62/286,796.53 = 112,329.09/x - Step 3: Cross multiply
207,822.62x = 286,796.53 × 112,329.09 - Step 4: Simplify right side
207,822.62x = 32,215,593,370.47 - Step 5: Solve for x
x = 32,215,593,370.47/207,822.62 - Step 6: Final answer
x = 155,014.85
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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.