Finding the Fourth Proportional to 166,517.80, 249,776.70 and 149,021.80
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Solution
The fourth proportional to 166,517.80, 249,776.70 and 149,021.80 is: 223,532.70
Step by Step Solution
- Step 1: Write the proportion equation
166,517.80 : 249,776.70 = 149,021.80 : x - Step 2: Convert to fraction form
166,517.80/249,776.70 = 149,021.80/x - Step 3: Cross multiply
166,517.80x = 249,776.70 × 149,021.80 - Step 4: Simplify right side
166,517.80x = 37,222,173,432.06 - Step 5: Solve for x
x = 37,222,173,432.06/166,517.80 - Step 6: Final answer
x = 223,532.70
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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.