Finding the Fourth Proportional to 235,387.22, 324,841.08 and 143,511.80
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Solution
The fourth proportional to 235,387.22, 324,841.08 and 143,511.80 is: 198,050.39
Step by Step Solution
- Step 1: Write the proportion equation
235,387.22 : 324,841.08 = 143,511.80 : x - Step 2: Convert to fraction form
235,387.22/324,841.08 = 143,511.80/x - Step 3: Cross multiply
235,387.22x = 324,841.08 × 143,511.80 - Step 4: Simplify right side
235,387.22x = 46,618,528,845.94 - Step 5: Solve for x
x = 46,618,528,845.94/235,387.22 - Step 6: Final answer
x = 198,050.39
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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.