Finding the Fourth Proportional to 242,538.26, 334,712.88 and 135,108.26
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Solution
The fourth proportional to 242,538.26, 334,712.88 and 135,108.26 is: 186,455.01
Step by Step Solution
- Step 1: Write the proportion equation
242,538.26 : 334,712.88 = 135,108.26 : x - Step 2: Convert to fraction form
242,538.26/334,712.88 = 135,108.26/x - Step 3: Cross multiply
242,538.26x = 334,712.88 × 135,108.26 - Step 4: Simplify right side
242,538.26x = 45,222,474,816.39 - Step 5: Solve for x
x = 45,222,474,816.39/242,538.26 - Step 6: Final answer
x = 186,455.01
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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.