Finding the Fourth Proportional to 282,490.26, 389,741.52 and 159,965.88
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Solution
The fourth proportional to 282,490.26, 389,741.52 and 159,965.88 is: 220,699.09
Step by Step Solution
- Step 1: Write the proportion equation
282,490.26 : 389,741.52 = 159,965.88 : x - Step 2: Convert to fraction form
282,490.26/389,741.52 = 159,965.88/x - Step 3: Cross multiply
282,490.26x = 389,741.52 × 159,965.88 - Step 4: Simplify right side
282,490.26x = 62,345,343,270.63 - Step 5: Solve for x
x = 62,345,343,270.63/282,490.26 - Step 6: Final answer
x = 220,699.09
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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.