Finding the Fourth Proportional to 516,493.68, 774,711.36 and 161,465.82
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Solution
The fourth proportional to 516,493.68, 774,711.36 and 161,465.82 is: 242,189.61
Step by Step Solution
- Step 1: Write the proportion equation
516,493.68 : 774,711.36 = 161,465.82 : x - Step 2: Convert to fraction form
516,493.68/774,711.36 = 161,465.82/x - Step 3: Cross multiply
516,493.68x = 774,711.36 × 161,465.82 - Step 4: Simplify right side
516,493.68x = 125,089,405,005.72 - Step 5: Solve for x
x = 125,089,405,005.72/516,493.68 - Step 6: Final answer
x = 242,189.61
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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.