Finding the Fourth Proportional to 318,602.97, 439,672.22 and 175,361.99
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Solution
The fourth proportional to 318,602.97, 439,672.22 and 175,361.99 is: 241,999.60
Step by Step Solution
- Step 1: Write the proportion equation
318,602.97 : 439,672.22 = 175,361.99 : x - Step 2: Convert to fraction form
318,602.97/439,672.22 = 175,361.99/x - Step 3: Cross multiply
318,602.97x = 439,672.22 × 175,361.99 - Step 4: Simplify right side
318,602.97x = 77,101,792,371.75 - Step 5: Solve for x
x = 77,101,792,371.75/318,602.97 - Step 6: Final answer
x = 241,999.60
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1.5x scale
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.