Finding the Fourth Proportional to 166,116.28, 249,165.70 and 47,782.97
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Solution
The fourth proportional to 166,116.28, 249,165.70 and 47,782.97 is: 71,671.95
Step by Step Solution
- Step 1: Write the proportion equation
166,116.28 : 249,165.70 = 47,782.97 : x - Step 2: Convert to fraction form
166,116.28/249,165.70 = 47,782.97/x - Step 3: Cross multiply
166,116.28x = 249,165.70 × 47,782.97 - Step 4: Simplify right side
166,116.28x = 11,905,877,168.13 - Step 5: Solve for x
x = 11,905,877,168.13/166,116.28 - Step 6: Final answer
x = 71,671.95
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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.