Finding the Fourth Proportional to 201,101.40, 301,652.10 and 133,741.80
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Solution
The fourth proportional to 201,101.40, 301,652.10 and 133,741.80 is: 200,612.70
Step by Step Solution
- Step 1: Write the proportion equation
201,101.40 : 301,652.10 = 133,741.80 : x - Step 2: Convert to fraction form
201,101.40/301,652.10 = 133,741.80/x - Step 3: Cross multiply
201,101.40x = 301,652.10 × 133,741.80 - Step 4: Simplify right side
201,101.40x = 40,343,494,827.78 - Step 5: Solve for x
x = 40,343,494,827.78/201,101.40 - Step 6: Final answer
x = 200,612.70
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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.