Finding the Fourth Proportional to 389,323.62, 537,229.26 and 236,445.48
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Solution
The fourth proportional to 389,323.62, 537,229.26 and 236,445.48 is: 326,272.09
Step by Step Solution
- Step 1: Write the proportion equation
389,323.62 : 537,229.26 = 236,445.48 : x - Step 2: Convert to fraction form
389,323.62/537,229.26 = 236,445.48/x - Step 3: Cross multiply
389,323.62x = 537,229.26 × 236,445.48 - Step 4: Simplify right side
389,323.62x = 127,025,430,250.75 - Step 5: Solve for x
x = 127,025,430,250.75/389,323.62 - Step 6: Final answer
x = 326,272.09
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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.