Finding the Fourth Proportional to 531,791.18, 733,874.11 and 290,079.02
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Solution
The fourth proportional to 531,791.18, 733,874.11 and 290,079.02 is: 400,310.29
Step by Step Solution
- Step 1: Write the proportion equation
531,791.18 : 733,874.11 = 290,079.02 : x - Step 2: Convert to fraction form
531,791.18/733,874.11 = 290,079.02/x - Step 3: Cross multiply
531,791.18x = 733,874.11 × 290,079.02 - Step 4: Simplify right side
531,791.18x = 212,881,482,632.17 - Step 5: Solve for x
x = 212,881,482,632.17/531,791.18 - Step 6: Final answer
x = 400,310.29
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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.