Finding the Fourth Proportional to 136,137.65, 204,207.48 and 47,390.94
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Solution
The fourth proportional to 136,137.65, 204,207.48 and 47,390.94 is: 71,086.76
Step by Step Solution
- Step 1: Write the proportion equation
136,137.65 : 204,207.48 = 47,390.94 : x - Step 2: Convert to fraction form
136,137.65/204,207.48 = 47,390.94/x - Step 3: Cross multiply
136,137.65x = 204,207.48 × 47,390.94 - Step 4: Simplify right side
136,137.65x = 9,677,584,432.23 - Step 5: Solve for x
x = 9,677,584,432.23/136,137.65 - Step 6: Final answer
x = 71,086.76
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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.