Finding the Fourth Proportional to 166,340.70, 249,543.45 and 71,570.70
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Solution
The fourth proportional to 166,340.70, 249,543.45 and 71,570.70 is: 107,369.99
Step by Step Solution
- Step 1: Write the proportion equation
166,340.70 : 249,543.45 = 71,570.70 : x - Step 2: Convert to fraction form
166,340.70/249,543.45 = 71,570.70/x - Step 3: Cross multiply
166,340.70x = 249,543.45 × 71,570.70 - Step 4: Simplify right side
166,340.70x = 17,859,999,396.92 - Step 5: Solve for x
x = 17,859,999,396.92/166,340.70 - Step 6: Final answer
x = 107,369.99
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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.