Finding the Fourth Proportional to 541,160.11, 811,511.76 and 162,134.70
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Solution
The fourth proportional to 541,160.11, 811,511.76 and 162,134.70 is: 243,133.62
Step by Step Solution
- Step 1: Write the proportion equation
541,160.11 : 811,511.76 = 162,134.70 : x - Step 2: Convert to fraction form
541,160.11/811,511.76 = 162,134.70/x - Step 3: Cross multiply
541,160.11x = 811,511.76 × 162,134.70 - Step 4: Simplify right side
541,160.11x = 131,574,215,754.07 - Step 5: Solve for x
x = 131,574,215,754.07/541,160.11 - Step 6: Final answer
x = 243,133.62
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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.