Finding the Fourth Proportional to 281,559.42, 388,552.14 and 154,235.52
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Solution
The fourth proportional to 281,559.42, 388,552.14 and 154,235.52 is: 212,845.09
Step by Step Solution
- Step 1: Write the proportion equation
281,559.42 : 388,552.14 = 154,235.52 : x - Step 2: Convert to fraction form
281,559.42/388,552.14 = 154,235.52/x - Step 3: Cross multiply
281,559.42x = 388,552.14 × 154,235.52 - Step 4: Simplify right side
281,559.42x = 59,928,541,360.01 - Step 5: Solve for x
x = 59,928,541,360.01/281,559.42 - Step 6: Final answer
x = 212,845.09
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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.