Finding the Fourth Proportional to 521,658.24, 781,777.44 and 221,761.92
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Solution
The fourth proportional to 521,658.24, 781,777.44 and 221,761.92 is: 332,341.09
Step by Step Solution
- Step 1: Write the proportion equation
521,658.24 : 781,777.44 = 221,761.92 : x - Step 2: Convert to fraction form
521,658.24/781,777.44 = 221,761.92/x - Step 3: Cross multiply
521,658.24x = 781,777.44 × 221,761.92 - Step 4: Simplify right side
521,658.24x = 173,368,466,107.09 - Step 5: Solve for x
x = 173,368,466,107.09/521,658.24 - Step 6: Final answer
x = 332,341.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.