Finding the Fourth Proportional to 264,397.30, 364,874.62 and 143,543.68
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Solution
The fourth proportional to 264,397.30, 364,874.62 and 143,543.68 is: 198,093.72
Step by Step Solution
- Step 1: Write the proportion equation
264,397.30 : 364,874.62 = 143,543.68 : x - Step 2: Convert to fraction form
264,397.30/364,874.62 = 143,543.68/x - Step 3: Cross multiply
264,397.30x = 364,874.62 × 143,543.68 - Step 4: Simplify right side
264,397.30x = 52,375,445,693.40 - Step 5: Solve for x
x = 52,375,445,693.40/264,397.30 - Step 6: Final answer
x = 198,093.72
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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.