Finding the Fourth Proportional to 216,341.18, 324,511.99 and 56,416.99
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Solution
The fourth proportional to 216,341.18, 324,511.99 and 56,416.99 is: 84,625.54
Step by Step Solution
- Step 1: Write the proportion equation
216,341.18 : 324,511.99 = 56,416.99 : x - Step 2: Convert to fraction form
216,341.18/324,511.99 = 56,416.99/x - Step 3: Cross multiply
216,341.18x = 324,511.99 × 56,416.99 - Step 4: Simplify right side
216,341.18x = 18,307,989,350.85 - Step 5: Solve for x
x = 18,307,989,350.85/216,341.18 - Step 6: Final answer
x = 84,625.54
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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.