Finding the Fourth Proportional to 207,325.84, 310,791.72 and 81,047.08
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Solution
The fourth proportional to 207,325.84, 310,791.72 and 81,047.08 is: 121,493.59
Step by Step Solution
- Step 1: Write the proportion equation
207,325.84 : 310,791.72 = 81,047.08 : x - Step 2: Convert to fraction form
207,325.84/310,791.72 = 81,047.08/x - Step 3: Cross multiply
207,325.84x = 310,791.72 × 81,047.08 - Step 4: Simplify right side
207,325.84x = 25,188,761,394.18 - Step 5: Solve for x
x = 25,188,761,394.18/207,325.84 - Step 6: Final answer
x = 121,493.59
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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.