Finding the Fourth Proportional to 169,121.25, 233,394.75 and 93,669.75
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Solution
The fourth proportional to 169,121.25, 233,394.75 and 93,669.75 is: 129,268.37
Step by Step Solution
- Step 1: Write the proportion equation
169,121.25 : 233,394.75 = 93,669.75 : x - Step 2: Convert to fraction form
169,121.25/233,394.75 = 93,669.75/x - Step 3: Cross multiply
169,121.25x = 233,394.75 × 93,669.75 - Step 4: Simplify right side
169,121.25x = 21,862,027,883.81 - Step 5: Solve for x
x = 21,862,027,883.81/169,121.25 - Step 6: Final answer
x = 129,268.37
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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.