Finding the Fourth Proportional to 149,668.80, 224,503.20 and 135,890.70
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Solution
The fourth proportional to 149,668.80, 224,503.20 and 135,890.70 is: 203,836.05
Step by Step Solution
- Step 1: Write the proportion equation
149,668.80 : 224,503.20 = 135,890.70 : x - Step 2: Convert to fraction form
149,668.80/224,503.20 = 135,890.70/x - Step 3: Cross multiply
149,668.80x = 224,503.20 × 135,890.70 - Step 4: Simplify right side
149,668.80x = 30,507,897,000.24 - Step 5: Solve for x
x = 30,507,897,000.24/149,668.80 - Step 6: Final answer
x = 203,836.05
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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.