Finding the Fourth Proportional to 307,433.99, 461,216.64 and 107,766.56
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Solution
The fourth proportional to 307,433.99, 461,216.64 and 107,766.56 is: 161,672.85
Step by Step Solution
- Step 1: Write the proportion equation
307,433.99 : 461,216.64 = 107,766.56 : x - Step 2: Convert to fraction form
307,433.99/461,216.64 = 107,766.56/x - Step 3: Cross multiply
307,433.99x = 461,216.64 × 107,766.56 - Step 4: Simplify right side
307,433.99x = 49,703,730,707.56 - Step 5: Solve for x
x = 49,703,730,707.56/307,433.99 - Step 6: Final answer
x = 161,672.85
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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.