Finding the Fourth Proportional to 440,396.70, 660,465.45 and 124,881.18
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Solution
The fourth proportional to 440,396.70, 660,465.45 and 124,881.18 is: 187,285.02
Step by Step Solution
- Step 1: Write the proportion equation
440,396.70 : 660,465.45 = 124,881.18 : x - Step 2: Convert to fraction form
440,396.70/660,465.45 = 124,881.18/x - Step 3: Cross multiply
440,396.70x = 660,465.45 × 124,881.18 - Step 4: Simplify right side
440,396.70x = 82,479,704,745.23 - Step 5: Solve for x
x = 82,479,704,745.23/440,396.70 - Step 6: Final answer
x = 187,285.02
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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.