Finding the Fourth Proportional to 271,953.80, 407,930.70 and 266,121.80
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Solution
The fourth proportional to 271,953.80, 407,930.70 and 266,121.80 is: 399,182.70
Step by Step Solution
- Step 1: Write the proportion equation
271,953.80 : 407,930.70 = 266,121.80 : x - Step 2: Convert to fraction form
271,953.80/407,930.70 = 266,121.80/x - Step 3: Cross multiply
271,953.80x = 407,930.70 × 266,121.80 - Step 4: Simplify right side
271,953.80x = 108,559,252,159.26 - Step 5: Solve for x
x = 108,559,252,159.26/271,953.80 - Step 6: Final answer
x = 399,182.70
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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.