Finding the Fourth Proportional to 291,287.35, 436,974.06 and 149,212.99
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Solution
The fourth proportional to 291,287.35, 436,974.06 and 149,212.99 is: 223,841.53
Step by Step Solution
- Step 1: Write the proportion equation
291,287.35 : 436,974.06 = 149,212.99 : x - Step 2: Convert to fraction form
291,287.35/436,974.06 = 149,212.99/x - Step 3: Cross multiply
291,287.35x = 436,974.06 × 149,212.99 - Step 4: Simplify right side
291,287.35x = 65,202,206,045.04 - Step 5: Solve for x
x = 65,202,206,045.04/291,287.35 - Step 6: Final answer
x = 223,841.53
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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.