Finding the Fourth Proportional to 415,838.21, 573,832.93 and 234,539.32
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Solution
The fourth proportional to 415,838.21, 573,832.93 and 234,539.32 is: 323,650.84
Step by Step Solution
- Step 1: Write the proportion equation
415,838.21 : 573,832.93 = 234,539.32 : x - Step 2: Convert to fraction form
415,838.21/573,832.93 = 234,539.32/x - Step 3: Cross multiply
415,838.21x = 573,832.93 × 234,539.32 - Step 4: Simplify right side
415,838.21x = 134,586,385,195.81 - Step 5: Solve for x
x = 134,586,385,195.81/415,838.21 - Step 6: Final answer
x = 323,650.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.