Finding the Fourth Proportional to 283,131.20, 425,330.40 and 236,475.20
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Solution
The fourth proportional to 283,131.20, 425,330.40 and 236,475.20 is: 355,241.99
Step by Step Solution
- Step 1: Write the proportion equation
283,131.20 : 425,330.40 = 236,475.20 : x - Step 2: Convert to fraction form
283,131.20/425,330.40 = 236,475.20/x - Step 3: Cross multiply
283,131.20x = 425,330.40 × 236,475.20 - Step 4: Simplify right side
283,131.20x = 100,580,091,406.08 - Step 5: Solve for x
x = 100,580,091,406.08/283,131.20 - Step 6: Final answer
x = 355,241.99
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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.