Finding the Fourth Proportional to 312,042.74, 468,083.55 and 125,029.94
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Solution
The fourth proportional to 312,042.74, 468,083.55 and 125,029.94 is: 187,552.70
Step by Step Solution
- Step 1: Write the proportion equation
312,042.74 : 468,083.55 = 125,029.94 : x - Step 2: Convert to fraction form
312,042.74/468,083.55 = 125,029.94/x - Step 3: Cross multiply
312,042.74x = 468,083.55 × 125,029.94 - Step 4: Simplify right side
312,042.74x = 58,524,458,171.49 - Step 5: Solve for x
x = 58,524,458,171.49/312,042.74 - Step 6: Final answer
x = 187,552.70
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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.