Finding the Fourth Proportional to 166,382.19, 249,615.36 and 46,439.12
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Solution
The fourth proportional to 166,382.19, 249,615.36 and 46,439.12 is: 69,670.43
Step by Step Solution
- Step 1: Write the proportion equation
166,382.19 : 249,615.36 = 46,439.12 : x - Step 2: Convert to fraction form
166,382.19/249,615.36 = 46,439.12/x - Step 3: Cross multiply
166,382.19x = 249,615.36 × 46,439.12 - Step 4: Simplify right side
166,382.19x = 11,591,918,280.92 - Step 5: Solve for x
x = 11,591,918,280.92/166,382.19 - Step 6: Final answer
x = 69,670.43
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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.