Finding the Fourth Proportional to 292,434.32, 403,536.84 and 165,122.48
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Solution
The fourth proportional to 292,434.32, 403,536.84 and 165,122.48 is: 227,856.31
Step by Step Solution
- Step 1: Write the proportion equation
292,434.32 : 403,536.84 = 165,122.48 : x - Step 2: Convert to fraction form
292,434.32/403,536.84 = 165,122.48/x - Step 3: Cross multiply
292,434.32x = 403,536.84 × 165,122.48 - Step 4: Simplify right side
292,434.32x = 66,633,003,792.16 - Step 5: Solve for x
x = 66,633,003,792.16/292,434.32 - Step 6: Final answer
x = 227,856.31
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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.