Finding the Fourth Proportional to 371,343.08, 512,465.64 and 210,194.70
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Solution
The fourth proportional to 371,343.08, 512,465.64 and 210,194.70 is: 290,075.58
Step by Step Solution
- Step 1: Write the proportion equation
371,343.08 : 512,465.64 = 210,194.70 : x - Step 2: Convert to fraction form
371,343.08/512,465.64 = 210,194.70/x - Step 3: Cross multiply
371,343.08x = 512,465.64 × 210,194.70 - Step 4: Simplify right side
371,343.08x = 107,717,558,750.13 - Step 5: Solve for x
x = 107,717,558,750.13/371,343.08 - Step 6: Final answer
x = 290,075.58
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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.