Finding the Fourth Proportional to 203,538.63, 305,304.30 and 83,569.53
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Solution
The fourth proportional to 203,538.63, 305,304.30 and 83,569.53 is: 125,352.80
Step by Step Solution
- Step 1: Write the proportion equation
203,538.63 : 305,304.30 = 83,569.53 : x - Step 2: Convert to fraction form
203,538.63/305,304.30 = 83,569.53/x - Step 3: Cross multiply
203,538.63x = 305,304.30 × 83,569.53 - Step 4: Simplify right side
203,538.63x = 25,514,136,857.98 - Step 5: Solve for x
x = 25,514,136,857.98/203,538.63 - Step 6: Final answer
x = 125,352.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.