Finding the Fourth Proportional to 149,736.80, 224,605.20 and 135,958.70
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Solution
The fourth proportional to 149,736.80, 224,605.20 and 135,958.70 is: 203,938.05
Step by Step Solution
- Step 1: Write the proportion equation
149,736.80 : 224,605.20 = 135,958.70 : x - Step 2: Convert to fraction form
149,736.80/224,605.20 = 135,958.70/x - Step 3: Cross multiply
149,736.80x = 224,605.20 × 135,958.70 - Step 4: Simplify right side
149,736.80x = 30,537,031,005.24 - Step 5: Solve for x
x = 30,537,031,005.24/149,736.80 - Step 6: Final answer
x = 203,938.05
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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.