Finding the Fourth Proportional to 291,599.88, 436,407.74 and 179,220.84
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Solution
The fourth proportional to 291,599.88, 436,407.74 and 179,220.84 is: 268,221.52
Step by Step Solution
- Step 1: Write the proportion equation
291,599.88 : 436,407.74 = 179,220.84 : x - Step 2: Convert to fraction form
291,599.88/436,407.74 = 179,220.84/x - Step 3: Cross multiply
291,599.88x = 436,407.74 × 179,220.84 - Step 4: Simplify right side
291,599.88x = 78,213,361,745.30 - Step 5: Solve for x
x = 78,213,361,745.30/291,599.88 - Step 6: Final answer
x = 268,221.52
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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.