Finding the Fourth Proportional to 291,286.35, 436,972.56 and 149,211.99
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Solution
The fourth proportional to 291,286.35, 436,972.56 and 149,211.99 is: 223,840.03
Step by Step Solution
- Step 1: Write the proportion equation
291,286.35 : 436,972.56 = 149,211.99 : x - Step 2: Convert to fraction form
291,286.35/436,972.56 = 149,211.99/x - Step 3: Cross multiply
291,286.35x = 436,972.56 × 149,211.99 - Step 4: Simplify right side
291,286.35x = 65,201,545,252.99 - Step 5: Solve for x
x = 65,201,545,252.99/291,286.35 - Step 6: Final answer
x = 223,840.03
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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.