Finding the Fourth Proportional to 189,207.66, 283,846.47 and 54,266.08
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Solution
The fourth proportional to 189,207.66, 283,846.47 and 54,266.08 is: 81,409.15
Step by Step Solution
- Step 1: Write the proportion equation
189,207.66 : 283,846.47 = 54,266.08 : x - Step 2: Convert to fraction form
189,207.66/283,846.47 = 54,266.08/x - Step 3: Cross multiply
189,207.66x = 283,846.47 × 54,266.08 - Step 4: Simplify right side
189,207.66x = 15,403,235,248.74 - Step 5: Solve for x
x = 15,403,235,248.74/189,207.66 - Step 6: Final answer
x = 81,409.15
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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.