Finding the Fourth Proportional to 764,291.71, 1,146,436.21 and 203,326.21
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Solution
The fourth proportional to 764,291.71, 1,146,436.21 and 203,326.21 is: 304,988.95
Step by Step Solution
- Step 1: Write the proportion equation
764,291.71 : 1,146,436.21 = 203,326.21 : x - Step 2: Convert to fraction form
764,291.71/1,146,436.21 = 203,326.21/x - Step 3: Cross multiply
764,291.71x = 1,146,436.21 × 203,326.21 - Step 4: Simplify right side
764,291.71x = 233,100,529,586.06 - Step 5: Solve for x
x = 233,100,529,586.06/764,291.71 - Step 6: Final answer
x = 304,988.95
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1.5x scale
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.