Finding the Fourth Proportional to 291,375.15, 437,125.26 and 165,075.90
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Solution
The fourth proportional to 291,375.15, 437,125.26 and 165,075.90 is: 247,649.28
Step by Step Solution
- Step 1: Write the proportion equation
291,375.15 : 437,125.26 = 165,075.90 : x - Step 2: Convert to fraction form
291,375.15/437,125.26 = 165,075.90/x - Step 3: Cross multiply
291,375.15x = 437,125.26 × 165,075.90 - Step 4: Simplify right side
291,375.15x = 72,158,845,707.23 - Step 5: Solve for x
x = 72,158,845,707.23/291,375.15 - Step 6: Final answer
x = 247,649.28
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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.