Finding the Fourth Proportional to 395,639.01, 545,981.94 and 214,352.19
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Solution
The fourth proportional to 395,639.01, 545,981.94 and 214,352.19 is: 295,806.08
Step by Step Solution
- Step 1: Write the proportion equation
395,639.01 : 545,981.94 = 214,352.19 : x - Step 2: Convert to fraction form
395,639.01/545,981.94 = 214,352.19/x - Step 3: Cross multiply
395,639.01x = 545,981.94 × 214,352.19 - Step 4: Simplify right side
395,639.01x = 117,032,424,539.45 - Step 5: Solve for x
x = 117,032,424,539.45/395,639.01 - Step 6: Final answer
x = 295,806.08
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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.