Finding the Fourth Proportional to 214,737.12, 322,236.36 and 135,742.32
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Solution
The fourth proportional to 214,737.12, 322,236.36 and 135,742.32 is: 203,696.09
Step by Step Solution
- Step 1: Write the proportion equation
214,737.12 : 322,236.36 = 135,742.32 : x - Step 2: Convert to fraction form
214,737.12/322,236.36 = 135,742.32/x - Step 3: Cross multiply
214,737.12x = 322,236.36 × 135,742.32 - Step 4: Simplify right side
214,737.12x = 43,741,111,094.76 - Step 5: Solve for x
x = 43,741,111,094.76/214,737.12 - Step 6: Final answer
x = 203,696.09
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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.