Finding the Fourth Proportional to 306,642.99, 459,932.13 and 82,026.09
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Solution
The fourth proportional to 306,642.99, 459,932.13 and 82,026.09 is: 123,030.48
Step by Step Solution
- Step 1: Write the proportion equation
306,642.99 : 459,932.13 = 82,026.09 : x - Step 2: Convert to fraction form
306,642.99/459,932.13 = 82,026.09/x - Step 3: Cross multiply
306,642.99x = 459,932.13 × 82,026.09 - Step 4: Simplify right side
306,642.99x = 37,726,434,289.27 - Step 5: Solve for x
x = 37,726,434,289.27/306,642.99 - Step 6: Final answer
x = 123,030.48
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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.