Finding the Fourth Proportional to 201,668.10, 302,502.15 and 131,165.70
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Solution
The fourth proportional to 201,668.10, 302,502.15 and 131,165.70 is: 196,748.55
Step by Step Solution
- Step 1: Write the proportion equation
201,668.10 : 302,502.15 = 131,165.70 : x - Step 2: Convert to fraction form
201,668.10/302,502.15 = 131,165.70/x - Step 3: Cross multiply
201,668.10x = 302,502.15 × 131,165.70 - Step 4: Simplify right side
201,668.10x = 39,677,906,256.26 - Step 5: Solve for x
x = 39,677,906,256.26/201,668.10 - Step 6: Final answer
x = 196,748.55
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1.5x scale
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.