Finding the Fourth Proportional to 135,190.62, 202,799.70 and 46,432.62
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Solution
The fourth proportional to 135,190.62, 202,799.70 and 46,432.62 is: 69,653.66
Step by Step Solution
- Step 1: Write the proportion equation
135,190.62 : 202,799.70 = 46,432.62 : x - Step 2: Convert to fraction form
135,190.62/202,799.70 = 46,432.62/x - Step 3: Cross multiply
135,190.62x = 202,799.70 × 46,432.62 - Step 4: Simplify right side
135,190.62x = 9,416,521,406.21 - Step 5: Solve for x
x = 9,416,521,406.21/135,190.62 - Step 6: Final answer
x = 69,653.66
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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.