Finding the Fourth Proportional to 235,246.70, 324,691.80 and 144,680.60
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Solution
The fourth proportional to 235,246.70, 324,691.80 and 144,680.60 is: 199,690.81
Step by Step Solution
- Step 1: Write the proportion equation
235,246.70 : 324,691.80 = 144,680.60 : x - Step 2: Convert to fraction form
235,246.70/324,691.80 = 144,680.60/x - Step 3: Cross multiply
235,246.70x = 324,691.80 × 144,680.60 - Step 4: Simplify right side
235,246.70x = 46,976,604,439.08 - Step 5: Solve for x
x = 46,976,604,439.08/235,246.70 - Step 6: Final answer
x = 199,690.81
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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.