Finding the Fourth Proportional to 207,662.64, 311,459.88 and 57,913.08
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Solution
The fourth proportional to 207,662.64, 311,459.88 and 57,913.08 is: 86,860.12
Step by Step Solution
- Step 1: Write the proportion equation
207,662.64 : 311,459.88 = 57,913.08 : x - Step 2: Convert to fraction form
207,662.64/311,459.88 = 57,913.08/x - Step 3: Cross multiply
207,662.64x = 311,459.88 × 57,913.08 - Step 4: Simplify right side
207,662.64x = 18,037,600,947.23 - Step 5: Solve for x
x = 18,037,600,947.23/207,662.64 - Step 6: Final answer
x = 86,860.12
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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.