Finding the Fourth Proportional to 283,925.68, 425,977.20 and 84,247.06
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Solution
The fourth proportional to 283,925.68, 425,977.20 and 84,247.06 is: 126,396.90
Step by Step Solution
- Step 1: Write the proportion equation
283,925.68 : 425,977.20 = 84,247.06 : x - Step 2: Convert to fraction form
283,925.68/425,977.20 = 84,247.06/x - Step 3: Cross multiply
283,925.68x = 425,977.20 × 84,247.06 - Step 4: Simplify right side
283,925.68x = 35,887,326,727.03 - Step 5: Solve for x
x = 35,887,326,727.03/283,925.68 - Step 6: Final answer
x = 126,396.90
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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.