Finding the Fourth Proportional to 190,148.44, 285,503.02 and 106,072.87
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Solution
The fourth proportional to 190,148.44, 285,503.02 and 106,072.87 is: 159,265.70
Step by Step Solution
- Step 1: Write the proportion equation
190,148.44 : 285,503.02 = 106,072.87 : x - Step 2: Convert to fraction form
190,148.44/285,503.02 = 106,072.87/x - Step 3: Cross multiply
190,148.44x = 285,503.02 × 106,072.87 - Step 4: Simplify right side
190,148.44x = 30,284,123,746.13 - Step 5: Solve for x
x = 30,284,123,746.13/190,148.44 - Step 6: Final answer
x = 159,265.70
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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.