Finding the Fourth Proportional to 169,836.13, 234,368.79 and 97,236.62
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Solution
The fourth proportional to 169,836.13, 234,368.79 and 97,236.62 is: 134,183.63
Step by Step Solution
- Step 1: Write the proportion equation
169,836.13 : 234,368.79 = 97,236.62 : x - Step 2: Convert to fraction form
169,836.13/234,368.79 = 97,236.62/x - Step 3: Cross multiply
169,836.13x = 234,368.79 × 97,236.62 - Step 4: Simplify right side
169,836.13x = 22,789,228,973.09 - Step 5: Solve for x
x = 22,789,228,973.09/169,836.13 - Step 6: Final answer
x = 134,183.63
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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.