Finding the Fourth Proportional to 255,556.55, 352,428.84 and 201,969.59
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Solution
The fourth proportional to 255,556.55, 352,428.84 and 201,969.59 is: 278,528.99
Step by Step Solution
- Step 1: Write the proportion equation
255,556.55 : 352,428.84 = 201,969.59 : x - Step 2: Convert to fraction form
255,556.55/352,428.84 = 201,969.59/x - Step 3: Cross multiply
255,556.55x = 352,428.84 × 201,969.59 - Step 4: Simplify right side
255,556.55x = 71,179,908,318.98 - Step 5: Solve for x
x = 71,179,908,318.98/255,556.55 - Step 6: Final answer
x = 278,528.99
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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.