Finding the Fourth Proportional to 189,092.36, 283,687.74 and 70,772.84
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Solution
The fourth proportional to 189,092.36, 283,687.74 and 70,772.84 is: 106,177.67
Step by Step Solution
- Step 1: Write the proportion equation
189,092.36 : 283,687.74 = 70,772.84 : x - Step 2: Convert to fraction form
189,092.36/283,687.74 = 70,772.84/x - Step 3: Cross multiply
189,092.36x = 283,687.74 × 70,772.84 - Step 4: Simplify right side
189,092.36x = 20,077,387,032.98 - Step 5: Solve for x
x = 20,077,387,032.98/189,092.36 - Step 6: Final answer
x = 106,177.67
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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.