Finding the Fourth Proportional to 397,498.08, 548,542.64 and 216,206.08
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Solution
The fourth proportional to 397,498.08, 548,542.64 and 216,206.08 is: 298,361.83
Step by Step Solution
- Step 1: Write the proportion equation
397,498.08 : 548,542.64 = 216,206.08 : x - Step 2: Convert to fraction form
397,498.08/548,542.64 = 216,206.08/x - Step 3: Cross multiply
397,498.08x = 548,542.64 × 216,206.08 - Step 4: Simplify right side
397,498.08x = 118,598,253,907.25 - Step 5: Solve for x
x = 118,598,253,907.25/397,498.08 - Step 6: Final answer
x = 298,361.83
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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.