Finding the Fourth Proportional to 397,684.08, 548,827.65 and 227,929.14
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Solution
The fourth proportional to 397,684.08, 548,827.65 and 227,929.14 is: 314,555.75
Step by Step Solution
- Step 1: Write the proportion equation
397,684.08 : 548,827.65 = 227,929.14 : x - Step 2: Convert to fraction form
397,684.08/548,827.65 = 227,929.14/x - Step 3: Cross multiply
397,684.08x = 548,827.65 × 227,929.14 - Step 4: Simplify right side
397,684.08x = 125,093,814,272.72 - Step 5: Solve for x
x = 125,093,814,272.72/397,684.08 - Step 6: Final answer
x = 314,555.75
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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.