Finding the Fourth Proportional to 157,409.80, 236,114.70 and 63,982.60
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Solution
The fourth proportional to 157,409.80, 236,114.70 and 63,982.60 is: 95,973.90
Step by Step Solution
- Step 1: Write the proportion equation
157,409.80 : 236,114.70 = 63,982.60 : x - Step 2: Convert to fraction form
157,409.80/236,114.70 = 63,982.60/x - Step 3: Cross multiply
157,409.80x = 236,114.70 × 63,982.60 - Step 4: Simplify right side
157,409.80x = 15,107,232,404.22 - Step 5: Solve for x
x = 15,107,232,404.22/157,409.80 - Step 6: Final answer
x = 95,973.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.