Finding the Fourth Proportional to 291,517.98, 436,925.97 and 133,529.10
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Solution
The fourth proportional to 291,517.98, 436,925.97 and 133,529.10 is: 200,132.88
Step by Step Solution
- Step 1: Write the proportion equation
291,517.98 : 436,925.97 = 133,529.10 : x - Step 2: Convert to fraction form
291,517.98/436,925.97 = 133,529.10/x - Step 3: Cross multiply
291,517.98x = 436,925.97 × 133,529.10 - Step 4: Simplify right side
291,517.98x = 58,342,331,540.73 - Step 5: Solve for x
x = 58,342,331,540.73/291,517.98 - Step 6: Final answer
x = 200,132.88
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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.