Finding the Fourth Proportional to 201,743.10, 302,527.09 and 68,587.60
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Solution
The fourth proportional to 201,743.10, 302,527.09 and 68,587.60 is: 102,851.63
Step by Step Solution
- Step 1: Write the proportion equation
201,743.10 : 302,527.09 = 68,587.60 : x - Step 2: Convert to fraction form
201,743.10/302,527.09 = 68,587.60/x - Step 3: Cross multiply
201,743.10x = 302,527.09 × 68,587.60 - Step 4: Simplify right side
201,743.10x = 20,749,607,038.08 - Step 5: Solve for x
x = 20,749,607,038.08/201,743.10 - Step 6: Final answer
x = 102,851.63
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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.