Finding the Fourth Proportional to 154,103.16, 211,845.86 and 132,513.84
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Solution
The fourth proportional to 154,103.16, 211,845.86 and 132,513.84 is: 182,166.99
Step by Step Solution
- Step 1: Write the proportion equation
154,103.16 : 211,845.86 = 132,513.84 : x - Step 2: Convert to fraction form
154,103.16/211,845.86 = 132,513.84/x - Step 3: Cross multiply
154,103.16x = 211,845.86 × 132,513.84 - Step 4: Simplify right side
154,103.16x = 28,072,508,396.70 - Step 5: Solve for x
x = 28,072,508,396.70/154,103.16 - Step 6: Final answer
x = 182,166.99
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.