Finding the Fourth Proportional to 497,583.18, 686,664.84 and 271,228.68
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Solution
The fourth proportional to 497,583.18, 686,664.84 and 271,228.68 is: 374,295.61
Step by Step Solution
- Step 1: Write the proportion equation
497,583.18 : 686,664.84 = 271,228.68 : x - Step 2: Convert to fraction form
497,583.18/686,664.84 = 271,228.68/x - Step 3: Cross multiply
497,583.18x = 686,664.84 × 271,228.68 - Step 4: Simplify right side
497,583.18x = 186,243,198,155.61 - Step 5: Solve for x
x = 186,243,198,155.61/497,583.18 - Step 6: Final answer
x = 374,295.61
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1.5x scale
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.