Finding the Fourth Proportional to 372,744.99, 514,438.90 and 219,826.31
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Solution
The fourth proportional to 372,744.99, 514,438.90 and 219,826.31 is: 303,390.27
Step by Step Solution
- Step 1: Write the proportion equation
372,744.99 : 514,438.90 = 219,826.31 : x - Step 2: Convert to fraction form
372,744.99/514,438.90 = 219,826.31/x - Step 3: Cross multiply
372,744.99x = 514,438.90 × 219,826.31 - Step 4: Simplify right side
372,744.99x = 113,087,201,985.70 - Step 5: Solve for x
x = 113,087,201,985.70/372,744.99 - Step 6: Final answer
x = 303,390.27
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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.