Finding the Fourth Proportional to 232,832.96, 321,336.12 and 129,477.46
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Solution
The fourth proportional to 232,832.96, 321,336.12 and 129,477.46 is: 178,693.71
Step by Step Solution
- Step 1: Write the proportion equation
232,832.96 : 321,336.12 = 129,477.46 : x - Step 2: Convert to fraction form
232,832.96/321,336.12 = 129,477.46/x - Step 3: Cross multiply
232,832.96x = 321,336.12 × 129,477.46 - Step 4: Simplify right side
232,832.96x = 41,605,785,175.05 - Step 5: Solve for x
x = 41,605,785,175.05/232,832.96 - Step 6: Final answer
x = 178,693.71
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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.