Finding the Fourth Proportional to 190,202.40, 285,318.18 and 57,072.96
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Solution
The fourth proportional to 190,202.40, 285,318.18 and 57,072.96 is: 85,613.81
Step by Step Solution
- Step 1: Write the proportion equation
190,202.40 : 285,318.18 = 57,072.96 : x - Step 2: Convert to fraction form
190,202.40/285,318.18 = 57,072.96/x - Step 3: Cross multiply
190,202.40x = 285,318.18 × 57,072.96 - Step 4: Simplify right side
190,202.40x = 16,283,953,074.41 - Step 5: Solve for x
x = 16,283,953,074.41/190,202.40 - Step 6: Final answer
x = 85,613.81
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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.