Finding the Fourth Proportional to 311,440.41, 465,453.95 and 227,377.62
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Solution
The fourth proportional to 311,440.41, 465,453.95 and 227,377.62 is: 339,820.42
Step by Step Solution
- Step 1: Write the proportion equation
311,440.41 : 465,453.95 = 227,377.62 : x - Step 2: Convert to fraction form
311,440.41/465,453.95 = 227,377.62/x - Step 3: Cross multiply
311,440.41x = 465,453.95 × 227,377.62 - Step 4: Simplify right side
311,440.41x = 105,833,810,233.71 - Step 5: Solve for x
x = 105,833,810,233.71/311,440.41 - Step 6: Final answer
x = 339,820.42
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.