Finding the Fourth Proportional to 252,950.31, 349,062.21 and 145,537.02
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Solution
The fourth proportional to 252,950.31, 349,062.21 and 145,537.02 is: 200,835.78
Step by Step Solution
- Step 1: Write the proportion equation
252,950.31 : 349,062.21 = 145,537.02 : x - Step 2: Convert to fraction form
252,950.31/349,062.21 = 145,537.02/x - Step 3: Cross multiply
252,950.31x = 349,062.21 × 145,537.02 - Step 4: Simplify right side
252,950.31x = 50,801,473,838.01 - Step 5: Solve for x
x = 50,801,473,838.01/252,950.31 - Step 6: Final answer
x = 200,835.78
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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.