Finding the Fourth Proportional to 306,676.78, 423,366.68 and 237,611.32
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Solution
The fourth proportional to 306,676.78, 423,366.68 and 237,611.32 is: 328,021.95
Step by Step Solution
- Step 1: Write the proportion equation
306,676.78 : 423,366.68 = 237,611.32 : x - Step 2: Convert to fraction form
306,676.78/423,366.68 = 237,611.32/x - Step 3: Cross multiply
306,676.78x = 423,366.68 × 237,611.32 - Step 4: Simplify right side
306,676.78x = 100,596,715,678.82 - Step 5: Solve for x
x = 100,596,715,678.82/306,676.78 - Step 6: Final answer
x = 328,021.95
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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.