Finding the Fourth Proportional to 166,272.58, 249,445.76 and 47,934.68
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Solution
The fourth proportional to 166,272.58, 249,445.76 and 47,934.68 is: 71,912.66
Step by Step Solution
- Step 1: Write the proportion equation
166,272.58 : 249,445.76 = 47,934.68 : x - Step 2: Convert to fraction form
166,272.58/249,445.76 = 47,934.68/x - Step 3: Cross multiply
166,272.58x = 249,445.76 × 47,934.68 - Step 4: Simplify right side
166,272.58x = 11,957,103,066.90 - Step 5: Solve for x
x = 11,957,103,066.90/166,272.58 - Step 6: Final answer
x = 71,912.66
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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.