Finding the Fourth Proportional to 311,210.26, 466,781.37 and 100,791.70
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Solution
The fourth proportional to 311,210.26, 466,781.37 and 100,791.70 is: 151,176.53
Step by Step Solution
- Step 1: Write the proportion equation
311,210.26 : 466,781.37 = 100,791.70 : x - Step 2: Convert to fraction form
311,210.26/466,781.37 = 100,791.70/x - Step 3: Cross multiply
311,210.26x = 466,781.37 × 100,791.70 - Step 4: Simplify right side
311,210.26x = 47,047,687,810.63 - Step 5: Solve for x
x = 47,047,687,810.63/311,210.26 - Step 6: Final answer
x = 151,176.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.