Finding the Fourth Proportional to 252,927.09, 349,074.36 and 145,495.17
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Solution
The fourth proportional to 252,927.09, 349,074.36 and 145,495.17 is: 200,803.45
Step by Step Solution
- Step 1: Write the proportion equation
252,927.09 : 349,074.36 = 145,495.17 : x - Step 2: Convert to fraction form
252,927.09/349,074.36 = 145,495.17/x - Step 3: Cross multiply
252,927.09x = 349,074.36 × 145,495.17 - Step 4: Simplify right side
252,927.09x = 50,788,633,350.84 - Step 5: Solve for x
x = 50,788,633,350.84/252,927.09 - Step 6: Final answer
x = 200,803.45
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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.