Finding the Fourth Proportional to 149,715.80, 224,573.70 and 135,937.70
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Solution
The fourth proportional to 149,715.80, 224,573.70 and 135,937.70 is: 203,906.55
Step by Step Solution
- Step 1: Write the proportion equation
149,715.80 : 224,573.70 = 135,937.70 : x - Step 2: Convert to fraction form
149,715.80/224,573.70 = 135,937.70/x - Step 3: Cross multiply
149,715.80x = 224,573.70 × 135,937.70 - Step 4: Simplify right side
149,715.80x = 30,528,032,258.49 - Step 5: Solve for x
x = 30,528,032,258.49/149,715.80 - Step 6: Final answer
x = 203,906.55
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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.