Finding the Fourth Proportional to 215,585.97, 323,378.96 and 82,507.02
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Solution
The fourth proportional to 215,585.97, 323,378.96 and 82,507.02 is: 123,760.53
Step by Step Solution
- Step 1: Write the proportion equation
215,585.97 : 323,378.96 = 82,507.02 : x - Step 2: Convert to fraction form
215,585.97/323,378.96 = 82,507.02/x - Step 3: Cross multiply
215,585.97x = 323,378.96 × 82,507.02 - Step 4: Simplify right side
215,585.97x = 26,681,033,907.76 - Step 5: Solve for x
x = 26,681,033,907.76/215,585.97 - Step 6: Final answer
x = 123,760.53
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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.