Finding the Fourth Proportional to 426,611.92, 588,674.08 and 235,613.92
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Solution
The fourth proportional to 426,611.92, 588,674.08 and 235,613.92 is: 325,119.39
Step by Step Solution
- Step 1: Write the proportion equation
426,611.92 : 588,674.08 = 235,613.92 : x - Step 2: Convert to fraction form
426,611.92/588,674.08 = 235,613.92/x - Step 3: Cross multiply
426,611.92x = 588,674.08 × 235,613.92 - Step 4: Simplify right side
426,611.92x = 138,699,807,591.19 - Step 5: Solve for x
x = 138,699,807,591.19/426,611.92 - Step 6: Final answer
x = 325,119.39
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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.