Finding the Fourth Proportional to 397,214.58, 548,276.24 and 269,963.99
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Solution
The fourth proportional to 397,214.58, 548,276.24 and 269,963.99 is: 372,631.94
Step by Step Solution
- Step 1: Write the proportion equation
397,214.58 : 548,276.24 = 269,963.99 : x - Step 2: Convert to fraction form
397,214.58/548,276.24 = 269,963.99/x - Step 3: Cross multiply
397,214.58x = 548,276.24 × 269,963.99 - Step 4: Simplify right side
397,214.58x = 148,014,841,362.16 - Step 5: Solve for x
x = 148,014,841,362.16/397,214.58 - Step 6: Final answer
x = 372,631.94
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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.