Finding the Fourth Proportional to 292,840.75, 404,120.51 and 158,704.75
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Solution
The fourth proportional to 292,840.75, 404,120.51 and 158,704.75 is: 219,012.70
Step by Step Solution
- Step 1: Write the proportion equation
292,840.75 : 404,120.51 = 158,704.75 : x - Step 2: Convert to fraction form
292,840.75/404,120.51 = 158,704.75/x - Step 3: Cross multiply
292,840.75x = 404,120.51 × 158,704.75 - Step 4: Simplify right side
292,840.75x = 64,135,844,509.42 - Step 5: Solve for x
x = 64,135,844,509.42/292,840.75 - Step 6: Final answer
x = 219,012.70
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1.5x scale
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.