Finding the Fourth Proportional to 318,205.94, 439,125.82 and 174,975.26
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Solution
The fourth proportional to 318,205.94, 439,125.82 and 174,975.26 is: 241,466.75
Step by Step Solution
- Step 1: Write the proportion equation
318,205.94 : 439,125.82 = 174,975.26 : x - Step 2: Convert to fraction form
318,205.94/439,125.82 = 174,975.26/x - Step 3: Cross multiply
318,205.94x = 439,125.82 × 174,975.26 - Step 4: Simplify right side
318,205.94x = 76,836,154,527.21 - Step 5: Solve for x
x = 76,836,154,527.21/318,205.94 - Step 6: Final answer
x = 241,466.75
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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.