Finding the Fourth Proportional to 305,941.12, 459,029.36 and 148,157.44
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Solution
The fourth proportional to 305,941.12, 459,029.36 and 148,157.44 is: 222,293.15
Step by Step Solution
- Step 1: Write the proportion equation
305,941.12 : 459,029.36 = 148,157.44 : x - Step 2: Convert to fraction form
305,941.12/459,029.36 = 148,157.44/x - Step 3: Cross multiply
305,941.12x = 459,029.36 × 148,157.44 - Step 4: Simplify right side
305,941.12x = 68,008,614,862.44 - Step 5: Solve for x
x = 68,008,614,862.44/305,941.12 - Step 6: Final answer
x = 222,293.15
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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.