Finding the Fourth Proportional to 281,394.06, 422,158.18 and 91,854.63
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Solution
The fourth proportional to 281,394.06, 422,158.18 and 91,854.63 is: 137,803.84
Step by Step Solution
- Step 1: Write the proportion equation
281,394.06 : 422,158.18 = 91,854.63 : x - Step 2: Convert to fraction form
281,394.06/422,158.18 = 91,854.63/x - Step 3: Cross multiply
281,394.06x = 422,158.18 × 91,854.63 - Step 4: Simplify right side
281,394.06x = 38,777,183,425.37 - Step 5: Solve for x
x = 38,777,183,425.37/281,394.06 - Step 6: Final answer
x = 137,803.84
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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.