Finding the Fourth Proportional to 397,321.20, 596,246.81 and 144,601.62
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Solution
The fourth proportional to 397,321.20, 596,246.81 and 144,601.62 is: 216,998.88
Step by Step Solution
- Step 1: Write the proportion equation
397,321.20 : 596,246.81 = 144,601.62 : x - Step 2: Convert to fraction form
397,321.20/596,246.81 = 144,601.62/x - Step 3: Cross multiply
397,321.20x = 596,246.81 × 144,601.62 - Step 4: Simplify right side
397,321.20x = 86,218,254,793.21 - Step 5: Solve for x
x = 86,218,254,793.21/397,321.20 - Step 6: Final answer
x = 216,998.88
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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.