Finding the Fourth Proportional to 232,236.05, 320,515.40 and 136,751.63
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Solution
The fourth proportional to 232,236.05, 320,515.40 and 136,751.63 is: 188,734.71
Step by Step Solution
- Step 1: Write the proportion equation
232,236.05 : 320,515.40 = 136,751.63 : x - Step 2: Convert to fraction form
232,236.05/320,515.40 = 136,751.63/x - Step 3: Cross multiply
232,236.05x = 320,515.40 × 136,751.63 - Step 4: Simplify right side
232,236.05x = 43,831,003,390.10 - Step 5: Solve for x
x = 43,831,003,390.10/232,236.05 - Step 6: Final answer
x = 188,734.71
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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.