Finding the Fourth Proportional to 371,344.08, 512,467.02 and 210,195.70
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Solution
The fourth proportional to 371,344.08, 512,467.02 and 210,195.70 is: 290,076.97
Step by Step Solution
- Step 1: Write the proportion equation
371,344.08 : 512,467.02 = 210,195.70 : x - Step 2: Convert to fraction form
371,344.08/512,467.02 = 210,195.70/x - Step 3: Cross multiply
371,344.08x = 512,467.02 × 210,195.70 - Step 4: Simplify right side
371,344.08x = 107,718,363,995.81 - Step 5: Solve for x
x = 107,718,363,995.81/371,344.08 - Step 6: Final answer
x = 290,076.97
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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.