Finding the Fourth Proportional to 397,339.48, 548,329.11 and 216,051.26
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Solution
The fourth proportional to 397,339.48, 548,329.11 and 216,051.26 is: 298,151.08
Step by Step Solution
- Step 1: Write the proportion equation
397,339.48 : 548,329.11 = 216,051.26 : x - Step 2: Convert to fraction form
397,339.48/548,329.11 = 216,051.26/x - Step 3: Cross multiply
397,339.48x = 548,329.11 × 216,051.26 - Step 4: Simplify right side
397,339.48x = 118,467,195,110.18 - Step 5: Solve for x
x = 118,467,195,110.18/397,339.48 - Step 6: Final answer
x = 298,151.08
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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.