Finding the Fourth Proportional to 283,471.52, 391,218.36 and 211,727.12
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Solution
The fourth proportional to 283,471.52, 391,218.36 and 211,727.12 is: 292,204.09
Step by Step Solution
- Step 1: Write the proportion equation
283,471.52 : 391,218.36 = 211,727.12 : x - Step 2: Convert to fraction form
283,471.52/391,218.36 = 211,727.12/x - Step 3: Cross multiply
283,471.52x = 391,218.36 × 211,727.12 - Step 4: Simplify right side
283,471.52x = 82,831,536,653.92 - Step 5: Solve for x
x = 82,831,536,653.92/283,471.52 - Step 6: Final answer
x = 292,204.09
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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.