Finding the Fourth Proportional to 281,203.23, 421,844.94 and 103,696.49
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Solution
The fourth proportional to 281,203.23, 421,844.94 and 103,696.49 is: 155,559.52
Step by Step Solution
- Step 1: Write the proportion equation
281,203.23 : 421,844.94 = 103,696.49 : x - Step 2: Convert to fraction form
281,203.23/421,844.94 = 103,696.49/x - Step 3: Cross multiply
281,203.23x = 421,844.94 × 103,696.49 - Step 4: Simplify right side
281,203.23x = 43,743,839,602.26 - Step 5: Solve for x
x = 43,743,839,602.26/281,203.23 - Step 6: Final answer
x = 155,559.52
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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.