Finding the Fourth Proportional to 106,896.87, 160,350.47 and 28,011.18
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Solution
The fourth proportional to 106,896.87, 160,350.47 and 28,011.18 is: 42,018.12
Step by Step Solution
- Step 1: Write the proportion equation
106,896.87 : 160,350.47 = 28,011.18 : x - Step 2: Convert to fraction form
106,896.87/160,350.47 = 28,011.18/x - Step 3: Cross multiply
106,896.87x = 160,350.47 × 28,011.18 - Step 4: Simplify right side
106,896.87x = 4,491,605,878.25 - Step 5: Solve for x
x = 4,491,605,878.25/106,896.87 - Step 6: Final answer
x = 42,018.12
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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.