Finding the Fourth Proportional to 291,922.26, 403,080.75 and 228,440.94
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Solution
The fourth proportional to 291,922.26, 403,080.75 and 228,440.94 is: 315,426.94
Step by Step Solution
- Step 1: Write the proportion equation
291,922.26 : 403,080.75 = 228,440.94 : x - Step 2: Convert to fraction form
291,922.26/403,080.75 = 228,440.94/x - Step 3: Cross multiply
291,922.26x = 403,080.75 × 228,440.94 - Step 4: Simplify right side
291,922.26x = 92,080,145,425.91 - Step 5: Solve for x
x = 92,080,145,425.91/291,922.26 - Step 6: Final answer
x = 315,426.94
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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.