Finding the Fourth Proportional to 166,324.40, 249,486.60 and 61,129.70
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Solution
The fourth proportional to 166,324.40, 249,486.60 and 61,129.70 is: 91,694.55
Step by Step Solution
- Step 1: Write the proportion equation
166,324.40 : 249,486.60 = 61,129.70 : x - Step 2: Convert to fraction form
166,324.40/249,486.60 = 61,129.70/x - Step 3: Cross multiply
166,324.40x = 249,486.60 × 61,129.70 - Step 4: Simplify right side
166,324.40x = 15,251,041,012.02 - Step 5: Solve for x
x = 15,251,041,012.02/166,324.40 - Step 6: Final answer
x = 91,694.55
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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.