Finding the Fourth Proportional to 397,117.74, 548,102.18 and 235,941.75
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Solution
The fourth proportional to 397,117.74, 548,102.18 and 235,941.75 is: 325,646.97
Step by Step Solution
- Step 1: Write the proportion equation
397,117.74 : 548,102.18 = 235,941.75 : x - Step 2: Convert to fraction form
397,117.74/548,102.18 = 235,941.75/x - Step 3: Cross multiply
397,117.74x = 548,102.18 × 235,941.75 - Step 4: Simplify right side
397,117.74x = 129,320,187,528.02 - Step 5: Solve for x
x = 129,320,187,528.02/397,117.74 - Step 6: Final answer
x = 325,646.97
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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.