Finding the Fourth Proportional to 271,575.31, 374,818.98 and 158,398.06
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Solution
The fourth proportional to 271,575.31, 374,818.98 and 158,398.06 is: 218,615.60
Step by Step Solution
- Step 1: Write the proportion equation
271,575.31 : 374,818.98 = 158,398.06 : x - Step 2: Convert to fraction form
271,575.31/374,818.98 = 158,398.06/x - Step 3: Cross multiply
271,575.31x = 374,818.98 × 158,398.06 - Step 4: Simplify right side
271,575.31x = 59,370,599,283.18 - Step 5: Solve for x
x = 59,370,599,283.18/271,575.31 - Step 6: Final answer
x = 218,615.60
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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.