Finding the Fourth Proportional to 170,268.06, 234,934.08 and 98,643.80
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Solution
The fourth proportional to 170,268.06, 234,934.08 and 98,643.80 is: 136,107.68
Step by Step Solution
- Step 1: Write the proportion equation
170,268.06 : 234,934.08 = 98,643.80 : x - Step 2: Convert to fraction form
170,268.06/234,934.08 = 98,643.80/x - Step 3: Cross multiply
170,268.06x = 234,934.08 × 98,643.80 - Step 4: Simplify right side
170,268.06x = 23,174,790,400.70 - Step 5: Solve for x
x = 23,174,790,400.70/170,268.06 - Step 6: Final answer
x = 136,107.68
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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.