Finding the Fourth Proportional to 291,245.61, 436,868.01 and 91,583.49
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Solution
The fourth proportional to 291,245.61, 436,868.01 and 91,583.49 is: 137,375.11
Step by Step Solution
- Step 1: Write the proportion equation
291,245.61 : 436,868.01 = 91,583.49 : x - Step 2: Convert to fraction form
291,245.61/436,868.01 = 91,583.49/x - Step 3: Cross multiply
291,245.61x = 436,868.01 × 91,583.49 - Step 4: Simplify right side
291,245.61x = 40,009,897,025.15 - Step 5: Solve for x
x = 40,009,897,025.15/291,245.61 - Step 6: Final answer
x = 137,375.11
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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.