Finding the Fourth Proportional to 292,418.64, 403,529.40 and 165,106.08
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Solution
The fourth proportional to 292,418.64, 403,529.40 and 165,106.08 is: 227,841.69
Step by Step Solution
- Step 1: Write the proportion equation
292,418.64 : 403,529.40 = 165,106.08 : x - Step 2: Convert to fraction form
292,418.64/403,529.40 = 165,106.08/x - Step 3: Cross multiply
292,418.64x = 403,529.40 × 165,106.08 - Step 4: Simplify right side
292,418.64x = 66,625,157,398.75 - Step 5: Solve for x
x = 66,625,157,398.75/292,418.64 - Step 6: Final answer
x = 227,841.69
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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.