Finding the Fourth Proportional to 252,402.45, 378,521.70 and 83,877.49
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Solution
The fourth proportional to 252,402.45, 378,521.70 and 83,877.49 is: 125,788.99
Step by Step Solution
- Step 1: Write the proportion equation
252,402.45 : 378,521.70 = 83,877.49 : x - Step 2: Convert to fraction form
252,402.45/378,521.70 = 83,877.49/x - Step 3: Cross multiply
252,402.45x = 378,521.70 × 83,877.49 - Step 4: Simplify right side
252,402.45x = 31,749,450,106.53 - Step 5: Solve for x
x = 31,749,450,106.53/252,402.45 - Step 6: Final answer
x = 125,788.99
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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.