Finding the Fourth Proportional to 326,159.98, 450,149.97 and 198,909.39
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Solution
The fourth proportional to 326,159.98, 450,149.97 and 198,909.39 is: 274,524.96
Step by Step Solution
- Step 1: Write the proportion equation
326,159.98 : 450,149.97 = 198,909.39 : x - Step 2: Convert to fraction form
326,159.98/450,149.97 = 198,909.39/x - Step 3: Cross multiply
326,159.98x = 450,149.97 × 198,909.39 - Step 4: Simplify right side
326,159.98x = 89,539,055,941.22 - Step 5: Solve for x
x = 89,539,055,941.22/326,159.98 - Step 6: Final answer
x = 274,524.96
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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.