Finding the Fourth Proportional to 397,283.97, 548,262.63 and 216,008.07
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Solution
The fourth proportional to 397,283.97, 548,262.63 and 216,008.07 is: 298,096.98
Step by Step Solution
- Step 1: Write the proportion equation
397,283.97 : 548,262.63 = 216,008.07 : x - Step 2: Convert to fraction form
397,283.97/548,262.63 = 216,008.07/x - Step 3: Cross multiply
397,283.97x = 548,262.63 × 216,008.07 - Step 4: Simplify right side
397,283.97x = 118,429,152,559.42 - Step 5: Solve for x
x = 118,429,152,559.42/397,283.97 - Step 6: Final answer
x = 298,096.98
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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.