Finding the Fourth Proportional to 397,271.94, 548,246.07 and 215,996.06
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Solution
The fourth proportional to 397,271.94, 548,246.07 and 215,996.06 is: 298,080.42
Step by Step Solution
- Step 1: Write the proportion equation
397,271.94 : 548,246.07 = 215,996.06 : x - Step 2: Convert to fraction form
397,271.94/548,246.07 = 215,996.06/x - Step 3: Cross multiply
397,271.94x = 548,246.07 × 215,996.06 - Step 4: Simplify right side
397,271.94x = 118,418,988,289.25 - Step 5: Solve for x
x = 118,418,988,289.25/397,271.94 - Step 6: Final answer
x = 298,080.42
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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.