Finding the Fourth Proportional to 214,950.42, 321,933.87 and 102,709.53
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Solution
The fourth proportional to 214,950.42, 321,933.87 and 102,709.53 is: 153,829.32
Step by Step Solution
- Step 1: Write the proportion equation
214,950.42 : 321,933.87 = 102,709.53 : x - Step 2: Convert to fraction form
214,950.42/321,933.87 = 102,709.53/x - Step 3: Cross multiply
214,950.42x = 321,933.87 × 102,709.53 - Step 4: Simplify right side
214,950.42x = 33,065,676,478.78 - Step 5: Solve for x
x = 33,065,676,478.78/214,950.42 - Step 6: Final answer
x = 153,829.32
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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.