Finding the Fourth Proportional to 288,090.93, 397,576.31 and 160,791.13
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Solution
The fourth proportional to 288,090.93, 397,576.31 and 160,791.13 is: 221,897.80
Step by Step Solution
- Step 1: Write the proportion equation
288,090.93 : 397,576.31 = 160,791.13 : x - Step 2: Convert to fraction form
288,090.93/397,576.31 = 160,791.13/x - Step 3: Cross multiply
288,090.93x = 397,576.31 × 160,791.13 - Step 4: Simplify right side
288,090.93x = 63,926,744,146.13 - Step 5: Solve for x
x = 63,926,744,146.13/288,090.93 - Step 6: Final answer
x = 221,897.80
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1.5x scale
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.