Finding the Fourth Proportional to 396,960.45, 596,206.59 and 340,163.11
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Solution
The fourth proportional to 396,960.45, 596,206.59 and 340,163.11 is: 510,900.99
Step by Step Solution
- Step 1: Write the proportion equation
396,960.45 : 596,206.59 = 340,163.11 : x - Step 2: Convert to fraction form
396,960.45/596,206.59 = 340,163.11/x - Step 3: Cross multiply
396,960.45x = 596,206.59 × 340,163.11 - Step 4: Simplify right side
396,960.45x = 202,807,487,856.90 - Step 5: Solve for x
x = 202,807,487,856.90/396,960.45 - Step 6: Final answer
x = 510,900.99
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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.