Finding the Fourth Proportional to 371,187.93, 512,250.99 and 210,040.05
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Solution
The fourth proportional to 371,187.93, 512,250.99 and 210,040.05 is: 289,861.86
Step by Step Solution
- Step 1: Write the proportion equation
371,187.93 : 512,250.99 = 210,040.05 : x - Step 2: Convert to fraction form
371,187.93/512,250.99 = 210,040.05/x - Step 3: Cross multiply
371,187.93x = 512,250.99 × 210,040.05 - Step 4: Simplify right side
371,187.93x = 107,593,223,552.15 - Step 5: Solve for x
x = 107,593,223,552.15/371,187.93 - Step 6: Final answer
x = 289,861.86
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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.