Finding the Fourth Proportional to 311,182.88, 429,442.60 and 190,377.84
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Solution
The fourth proportional to 311,182.88, 429,442.60 and 190,377.84 is: 262,727.68
Step by Step Solution
- Step 1: Write the proportion equation
311,182.88 : 429,442.60 = 190,377.84 : x - Step 2: Convert to fraction form
311,182.88/429,442.60 = 190,377.84/x - Step 3: Cross multiply
311,182.88x = 429,442.60 × 190,377.84 - Step 4: Simplify right side
311,182.88x = 81,756,354,591.98 - Step 5: Solve for x
x = 81,756,354,591.98/311,182.88 - Step 6: Final answer
x = 262,727.68
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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.