Finding the Fourth Proportional to 312,328.26, 468,579.87 and 125,470.98
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Solution
The fourth proportional to 312,328.26, 468,579.87 and 125,470.98 is: 188,241.61
Step by Step Solution
- Step 1: Write the proportion equation
312,328.26 : 468,579.87 = 125,470.98 : x - Step 2: Convert to fraction form
312,328.26/468,579.87 = 125,470.98/x - Step 3: Cross multiply
312,328.26x = 468,579.87 × 125,470.98 - Step 4: Simplify right side
312,328.26x = 58,793,175,497.17 - Step 5: Solve for x
x = 58,793,175,497.17/312,328.26 - Step 6: Final answer
x = 188,241.61
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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.