Finding the Fourth Proportional to 282,194.08, 389,549.30 and 173,316.05
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Solution
The fourth proportional to 282,194.08, 389,549.30 and 173,316.05 is: 239,250.76
Step by Step Solution
- Step 1: Write the proportion equation
282,194.08 : 389,549.30 = 173,316.05 : x - Step 2: Convert to fraction form
282,194.08/389,549.30 = 173,316.05/x - Step 3: Cross multiply
282,194.08x = 389,549.30 × 173,316.05 - Step 4: Simplify right side
282,194.08x = 67,515,147,768.87 - Step 5: Solve for x
x = 67,515,147,768.87/282,194.08 - Step 6: Final answer
x = 239,250.76
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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.