Finding the Fourth Proportional to 292,272.30, 403,295.31 and 163,195.02
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Solution
The fourth proportional to 292,272.30, 403,295.31 and 163,195.02 is: 225,186.53
Step by Step Solution
- Step 1: Write the proportion equation
292,272.30 : 403,295.31 = 163,195.02 : x - Step 2: Convert to fraction form
292,272.30/403,295.31 = 163,195.02/x - Step 3: Cross multiply
292,272.30x = 403,295.31 × 163,195.02 - Step 4: Simplify right side
292,272.30x = 65,815,786,181.36 - Step 5: Solve for x
x = 65,815,786,181.36/292,272.30 - Step 6: Final answer
x = 225,186.53
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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.