Finding the Fourth Proportional to 201,276.80, 302,109.60 and 122,544.80
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Solution
The fourth proportional to 201,276.80, 302,109.60 and 122,544.80 is: 183,935.56
Step by Step Solution
- Step 1: Write the proportion equation
201,276.80 : 302,109.60 = 122,544.80 : x - Step 2: Convert to fraction form
201,276.80/302,109.60 = 122,544.80/x - Step 3: Cross multiply
201,276.80x = 302,109.60 × 122,544.80 - Step 4: Simplify right side
201,276.80x = 37,021,960,510.08 - Step 5: Solve for x
x = 37,021,960,510.08/201,276.80 - Step 6: Final answer
x = 183,935.56
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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.