Finding the Fourth Proportional to 283,813.11, 425,721.35 and 84,135.18
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Solution
The fourth proportional to 283,813.11, 425,721.35 and 84,135.18 is: 126,203.27
Step by Step Solution
- Step 1: Write the proportion equation
283,813.11 : 425,721.35 = 84,135.18 : x - Step 2: Convert to fraction form
283,813.11/425,721.35 = 84,135.18/x - Step 3: Cross multiply
283,813.11x = 425,721.35 × 84,135.18 - Step 4: Simplify right side
283,813.11x = 35,818,141,991.42 - Step 5: Solve for x
x = 35,818,141,991.42/283,813.11 - Step 6: Final answer
x = 126,203.27
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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.