Finding the Fourth Proportional to 242,309.62, 334,397.10 and 134,872.84
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Solution
The fourth proportional to 242,309.62, 334,397.10 and 134,872.84 is: 186,129.99
Step by Step Solution
- Step 1: Write the proportion equation
242,309.62 : 334,397.10 = 134,872.84 : x - Step 2: Convert to fraction form
242,309.62/334,397.10 = 134,872.84/x - Step 3: Cross multiply
242,309.62x = 334,397.10 × 134,872.84 - Step 4: Simplify right side
242,309.62x = 45,101,086,564.76 - Step 5: Solve for x
x = 45,101,086,564.76/242,309.62 - Step 6: Final answer
x = 186,129.99
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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.