Finding the Fourth Proportional to 201,743.40, 302,615.10 and 68,773.80
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Solution
The fourth proportional to 201,743.40, 302,615.10 and 68,773.80 is: 103,160.70
Step by Step Solution
- Step 1: Write the proportion equation
201,743.40 : 302,615.10 = 68,773.80 : x - Step 2: Convert to fraction form
201,743.40/302,615.10 = 68,773.80/x - Step 3: Cross multiply
201,743.40x = 302,615.10 × 68,773.80 - Step 4: Simplify right side
201,743.40x = 20,811,990,364.38 - Step 5: Solve for x
x = 20,811,990,364.38/201,743.40 - Step 6: Final answer
x = 103,160.70
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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.