Finding the Fourth Proportional to 219,135.43, 328,453.99 and 92,696.75
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Solution
The fourth proportional to 219,135.43, 328,453.99 and 92,696.75 is: 138,939.74
Step by Step Solution
- Step 1: Write the proportion equation
219,135.43 : 328,453.99 = 92,696.75 : x - Step 2: Convert to fraction form
219,135.43/328,453.99 = 92,696.75/x - Step 3: Cross multiply
219,135.43x = 328,453.99 × 92,696.75 - Step 4: Simplify right side
219,135.43x = 30,446,618,602.78 - Step 5: Solve for x
x = 30,446,618,602.78/219,135.43 - Step 6: Final answer
x = 138,939.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.