Finding the Fourth Proportional to 311,368.96, 465,347.43 and 227,306.15
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Solution
The fourth proportional to 311,368.96, 465,347.43 and 227,306.15 is: 339,713.80
Step by Step Solution
- Step 1: Write the proportion equation
311,368.96 : 465,347.43 = 227,306.15 : x - Step 2: Convert to fraction form
311,368.96/465,347.43 = 227,306.15/x - Step 3: Cross multiply
311,368.96x = 465,347.43 × 227,306.15 - Step 4: Simplify right side
311,368.96x = 105,776,332,144.01 - Step 5: Solve for x
x = 105,776,332,144.01/311,368.96 - Step 6: Final answer
x = 339,713.80
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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.