Finding the Fourth Proportional to 291,750.80, 436,751.40 and 173,361.20
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Solution
The fourth proportional to 291,750.80, 436,751.40 and 173,361.20 is: 259,521.99
Step by Step Solution
- Step 1: Write the proportion equation
291,750.80 : 436,751.40 = 173,361.20 : x - Step 2: Convert to fraction form
291,750.80/436,751.40 = 173,361.20/x - Step 3: Cross multiply
291,750.80x = 436,751.40 × 173,361.20 - Step 4: Simplify right side
291,750.80x = 75,715,746,805.68 - Step 5: Solve for x
x = 75,715,746,805.68/291,750.80 - Step 6: Final answer
x = 259,521.99
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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.