Finding the Fourth Proportional to 399,634.04, 599,687.49 and 147,091.91
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Solution
The fourth proportional to 399,634.04, 599,687.49 and 147,091.91 is: 220,724.88
Step by Step Solution
- Step 1: Write the proportion equation
399,634.04 : 599,687.49 = 147,091.91 : x - Step 2: Convert to fraction form
399,634.04/599,687.49 = 147,091.91/x - Step 3: Cross multiply
399,634.04x = 599,687.49 × 147,091.91 - Step 4: Simplify right side
399,634.04x = 88,209,175,308.77 - Step 5: Solve for x
x = 88,209,175,308.77/399,634.04 - Step 6: Final answer
x = 220,724.88
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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.