Finding the Fourth Proportional to 149,811.40, 224,717.10 and 134,777.80
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Solution
The fourth proportional to 149,811.40, 224,717.10 and 134,777.80 is: 202,166.70
Step by Step Solution
- Step 1: Write the proportion equation
149,811.40 : 224,717.10 = 134,777.80 : x - Step 2: Convert to fraction form
149,811.40/224,717.10 = 134,777.80/x - Step 3: Cross multiply
149,811.40x = 224,717.10 × 134,777.80 - Step 4: Simplify right side
149,811.40x = 30,286,876,360.38 - Step 5: Solve for x
x = 30,286,876,360.38/149,811.40 - Step 6: Final answer
x = 202,166.70
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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.