Finding the Fourth Proportional to 516,855.99, 775,284.03 and 161,897.70
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Solution
The fourth proportional to 516,855.99, 775,284.03 and 161,897.70 is: 242,846.56
Step by Step Solution
- Step 1: Write the proportion equation
516,855.99 : 775,284.03 = 161,897.70 : x - Step 2: Convert to fraction form
516,855.99/775,284.03 = 161,897.70/x - Step 3: Cross multiply
516,855.99x = 775,284.03 × 161,897.70 - Step 4: Simplify right side
516,855.99x = 125,516,701,303.73 - Step 5: Solve for x
x = 125,516,701,303.73/516,855.99 - Step 6: Final answer
x = 242,846.56
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Similar ratio
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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.