Finding the Fourth Proportional to 486,498.24, 671,360.60 and 271,641.68
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Solution
The fourth proportional to 486,498.24, 671,360.60 and 271,641.68 is: 374,861.63
Step by Step Solution
- Step 1: Write the proportion equation
486,498.24 : 671,360.60 = 271,641.68 : x - Step 2: Convert to fraction form
486,498.24/671,360.60 = 271,641.68/x - Step 3: Cross multiply
486,498.24x = 671,360.60 × 271,641.68 - Step 4: Simplify right side
486,498.24x = 182,369,521,269.81 - Step 5: Solve for x
x = 182,369,521,269.81/486,498.24 - Step 6: Final answer
x = 374,861.63
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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.