Finding the Fourth Proportional to 371,507.49, 512,675.82 and 201,742.83
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Solution
The fourth proportional to 371,507.49, 512,675.82 and 201,742.83 is: 278,402.65
Step by Step Solution
- Step 1: Write the proportion equation
371,507.49 : 512,675.82 = 201,742.83 : x - Step 2: Convert to fraction form
371,507.49/512,675.82 = 201,742.83/x - Step 3: Cross multiply
371,507.49x = 512,675.82 × 201,742.83 - Step 4: Simplify right side
371,507.49x = 103,428,670,799.37 - Step 5: Solve for x
x = 103,428,670,799.37/371,507.49 - Step 6: Final answer
x = 278,402.65
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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.