Finding the Fourth Proportional to 292,532.75, 403,695.20 and 158,396.75
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Solution
The fourth proportional to 292,532.75, 403,695.20 and 158,396.75 is: 218,587.52
Step by Step Solution
- Step 1: Write the proportion equation
292,532.75 : 403,695.20 = 158,396.75 : x - Step 2: Convert to fraction form
292,532.75/403,695.20 = 158,396.75/x - Step 3: Cross multiply
292,532.75x = 403,695.20 × 158,396.75 - Step 4: Simplify right side
292,532.75x = 63,944,007,670.60 - Step 5: Solve for x
x = 63,944,007,670.60/292,532.75 - Step 6: Final answer
x = 218,587.52
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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.