Finding the Fourth Proportional to 426,322.14, 588,328.66 and 235,331.44
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Solution
The fourth proportional to 426,322.14, 588,328.66 and 235,331.44 is: 324,759.65
Step by Step Solution
- Step 1: Write the proportion equation
426,322.14 : 588,328.66 = 235,331.44 : x - Step 2: Convert to fraction form
426,322.14/588,328.66 = 235,331.44/x - Step 3: Cross multiply
426,322.14x = 588,328.66 × 235,331.44 - Step 4: Simplify right side
426,322.14x = 138,452,230,751.07 - Step 5: Solve for x
x = 138,452,230,751.07/426,322.14 - Step 6: Final answer
x = 324,759.65
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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.