Finding the Fourth Proportional to 242,517.38, 334,684.14 and 135,087.26
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Solution
The fourth proportional to 242,517.38, 334,684.14 and 135,087.26 is: 186,426.08
Step by Step Solution
- Step 1: Write the proportion equation
242,517.38 : 334,684.14 = 135,087.26 : x - Step 2: Convert to fraction form
242,517.38/334,684.14 = 135,087.26/x - Step 3: Cross multiply
242,517.38x = 334,684.14 × 135,087.26 - Step 4: Simplify right side
242,517.38x = 45,211,563,438.06 - Step 5: Solve for x
x = 45,211,563,438.06/242,517.38 - Step 6: Final answer
x = 186,426.08
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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.