Finding the Fourth Proportional to 271,422.12, 374,564.60 and 148,913.68
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Solution
The fourth proportional to 271,422.12, 374,564.60 and 148,913.68 is: 205,502.02
Step by Step Solution
- Step 1: Write the proportion equation
271,422.12 : 374,564.60 = 148,913.68 : x - Step 2: Convert to fraction form
271,422.12/374,564.60 = 148,913.68/x - Step 3: Cross multiply
271,422.12x = 374,564.60 × 148,913.68 - Step 4: Simplify right side
271,422.12x = 55,777,792,983.73 - Step 5: Solve for x
x = 55,777,792,983.73/271,422.12 - Step 6: Final answer
x = 205,502.02
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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.