Finding the Fourth Proportional to 205,234.79, 283,271.25 and 120,379.19
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Solution
The fourth proportional to 205,234.79, 283,271.25 and 120,379.19 is: 166,150.99
Step by Step Solution
- Step 1: Write the proportion equation
205,234.79 : 283,271.25 = 120,379.19 : x - Step 2: Convert to fraction form
205,234.79/283,271.25 = 120,379.19/x - Step 3: Cross multiply
205,234.79x = 283,271.25 × 120,379.19 - Step 4: Simplify right side
205,234.79x = 34,099,962,208.93 - Step 5: Solve for x
x = 34,099,962,208.93/205,234.79 - Step 6: Final answer
x = 166,150.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.