Finding the Fourth Proportional to 306,824.27, 423,409.61 and 297,770.09
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Solution
The fourth proportional to 306,824.27, 423,409.61 and 297,770.09 is: 410,915.08
Step by Step Solution
- Step 1: Write the proportion equation
306,824.27 : 423,409.61 = 297,770.09 : x - Step 2: Convert to fraction form
306,824.27/423,409.61 = 297,770.09/x - Step 3: Cross multiply
306,824.27x = 423,409.61 × 297,770.09 - Step 4: Simplify right side
306,824.27x = 126,078,716,303.94 - Step 5: Solve for x
x = 126,078,716,303.94/306,824.27 - Step 6: Final answer
x = 410,915.08
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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.