Finding the Fourth Proportional to 395,044.06, 545,159.69 and 213,759.06
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Solution
The fourth proportional to 395,044.06, 545,159.69 and 213,759.06 is: 294,986.90
Step by Step Solution
- Step 1: Write the proportion equation
395,044.06 : 545,159.69 = 213,759.06 : x - Step 2: Convert to fraction form
395,044.06/545,159.69 = 213,759.06/x - Step 3: Cross multiply
395,044.06x = 545,159.69 × 213,759.06 - Step 4: Simplify right side
395,044.06x = 116,532,822,884.29 - Step 5: Solve for x
x = 116,532,822,884.29/395,044.06 - Step 6: Final answer
x = 294,986.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.