Finding the Fourth Proportional to 205,193.80, 307,272.30 and 134,691.40
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Solution
The fourth proportional to 205,193.80, 307,272.30 and 134,691.40 is: 201,696.82
Step by Step Solution
- Step 1: Write the proportion equation
205,193.80 : 307,272.30 = 134,691.40 : x - Step 2: Convert to fraction form
205,193.80/307,272.30 = 134,691.40/x - Step 3: Cross multiply
205,193.80x = 307,272.30 × 134,691.40 - Step 4: Simplify right side
205,193.80x = 41,386,936,268.22 - Step 5: Solve for x
x = 41,386,936,268.22/205,193.80 - Step 6: Final answer
x = 201,696.82
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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.