Finding the Fourth Proportional to 347,972.16, 480,186.88 and 202,791.68
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Solution
The fourth proportional to 347,972.16, 480,186.88 and 202,791.68 is: 279,843.95
Step by Step Solution
- Step 1: Write the proportion equation
347,972.16 : 480,186.88 = 202,791.68 : x - Step 2: Convert to fraction form
347,972.16/480,186.88 = 202,791.68/x - Step 3: Cross multiply
347,972.16x = 480,186.88 × 202,791.68 - Step 4: Simplify right side
347,972.16x = 97,377,904,109.16 - Step 5: Solve for x
x = 97,377,904,109.16/347,972.16 - Step 6: Final answer
x = 279,843.95
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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.