Finding the Fourth Proportional to 166,329.36, 249,489.72 and 61,102.80
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Solution
The fourth proportional to 166,329.36, 249,489.72 and 61,102.80 is: 91,652.61
Step by Step Solution
- Step 1: Write the proportion equation
166,329.36 : 249,489.72 = 61,102.80 : x - Step 2: Convert to fraction form
166,329.36/249,489.72 = 61,102.80/x - Step 3: Cross multiply
166,329.36x = 249,489.72 × 61,102.80 - Step 4: Simplify right side
166,329.36x = 15,244,520,463.22 - Step 5: Solve for x
x = 15,244,520,463.22/166,329.36 - Step 6: Final answer
x = 91,652.61
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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.