Finding the Fourth Proportional to 486,618.36, 671,485.35 and 271,753.81
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Solution
The fourth proportional to 486,618.36, 671,485.35 and 271,753.81 is: 374,993.46
Step by Step Solution
- Step 1: Write the proportion equation
486,618.36 : 671,485.35 = 271,753.81 : x - Step 2: Convert to fraction form
486,618.36/671,485.35 = 271,753.81/x - Step 3: Cross multiply
486,618.36x = 671,485.35 × 271,753.81 - Step 4: Simplify right side
486,618.36x = 182,478,702,221.68 - Step 5: Solve for x
x = 182,478,702,221.68/486,618.36 - Step 6: Final answer
x = 374,993.46
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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.