Finding the Fourth Proportional to 351,465.40, 527,198.10 and 337,687.30
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Solution
The fourth proportional to 351,465.40, 527,198.10 and 337,687.30 is: 506,530.95
Step by Step Solution
- Step 1: Write the proportion equation
351,465.40 : 527,198.10 = 337,687.30 : x - Step 2: Convert to fraction form
351,465.40/527,198.10 = 337,687.30/x - Step 3: Cross multiply
351,465.40x = 527,198.10 × 337,687.30 - Step 4: Simplify right side
351,465.40x = 178,028,102,954.13 - Step 5: Solve for x
x = 178,028,102,954.13/351,465.40 - Step 6: Final answer
x = 506,530.95
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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.