Finding the Fourth Proportional to 395,485.29, 545,766.96 and 214,193.06
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Solution
The fourth proportional to 395,485.29, 545,766.96 and 214,193.06 is: 295,584.94
Step by Step Solution
- Step 1: Write the proportion equation
395,485.29 : 545,766.96 = 214,193.06 : x - Step 2: Convert to fraction form
395,485.29/545,766.96 = 214,193.06/x - Step 3: Cross multiply
395,485.29x = 545,766.96 × 214,193.06 - Step 4: Simplify right side
395,485.29x = 116,899,495,209.30 - Step 5: Solve for x
x = 116,899,495,209.30/395,485.29 - Step 6: Final answer
x = 295,584.94
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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.