Finding the Fourth Proportional to 283,886.58, 425,764.26 and 84,158.81
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Solution
The fourth proportional to 283,886.58, 425,764.26 and 84,158.81 is: 126,218.76
Step by Step Solution
- Step 1: Write the proportion equation
283,886.58 : 425,764.26 = 84,158.81 : x - Step 2: Convert to fraction form
283,886.58/425,764.26 = 84,158.81/x - Step 3: Cross multiply
283,886.58x = 425,764.26 × 84,158.81 - Step 4: Simplify right side
283,886.58x = 35,831,811,333.31 - Step 5: Solve for x
x = 35,831,811,333.31/283,886.58 - Step 6: Final answer
x = 126,218.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.