Finding the Fourth Proportional to 486,206.29, 670,998.36 and 271,388.35
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Solution
The fourth proportional to 486,206.29, 670,998.36 and 271,388.35 is: 374,534.72
Step by Step Solution
- Step 1: Write the proportion equation
486,206.29 : 670,998.36 = 271,388.35 : x - Step 2: Convert to fraction form
486,206.29/670,998.36 = 271,388.35/x - Step 3: Cross multiply
486,206.29x = 670,998.36 × 271,388.35 - Step 4: Simplify right side
486,206.29x = 182,101,137,773.11 - Step 5: Solve for x
x = 182,101,137,773.11/486,206.29 - Step 6: Final answer
x = 374,534.72
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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.