Finding the Fourth Proportional to 166,379.94, 249,579.36 and 54,069.75
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Solution
The fourth proportional to 166,379.94, 249,579.36 and 54,069.75 is: 81,107.70
Step by Step Solution
- Step 1: Write the proportion equation
166,379.94 : 249,579.36 = 54,069.75 : x - Step 2: Convert to fraction form
166,379.94/249,579.36 = 54,069.75/x - Step 3: Cross multiply
166,379.94x = 249,579.36 × 54,069.75 - Step 4: Simplify right side
166,379.94x = 13,494,693,600.36 - Step 5: Solve for x
x = 13,494,693,600.36/166,379.94 - Step 6: Final answer
x = 81,107.70
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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.