Finding the Fourth Proportional to 254,763.36, 351,578.88 and 141,583.68
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Solution
The fourth proportional to 254,763.36, 351,578.88 and 141,583.68 is: 195,388.50
Step by Step Solution
- Step 1: Write the proportion equation
254,763.36 : 351,578.88 = 141,583.68 : x - Step 2: Convert to fraction form
254,763.36/351,578.88 = 141,583.68/x - Step 3: Cross multiply
254,763.36x = 351,578.88 × 141,583.68 - Step 4: Simplify right side
254,763.36x = 49,777,831,640.68 - Step 5: Solve for x
x = 49,777,831,640.68/254,763.36 - Step 6: Final answer
x = 195,388.50
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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.