Finding the Fourth Proportional to 252,801.45, 379,284.18 and 75,309.99
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Solution
The fourth proportional to 252,801.45, 379,284.18 and 75,309.99 is: 112,989.41
Step by Step Solution
- Step 1: Write the proportion equation
252,801.45 : 379,284.18 = 75,309.99 : x - Step 2: Convert to fraction form
252,801.45/379,284.18 = 75,309.99/x - Step 3: Cross multiply
252,801.45x = 379,284.18 × 75,309.99 - Step 4: Simplify right side
252,801.45x = 28,563,887,802.96 - Step 5: Solve for x
x = 28,563,887,802.96/252,801.45 - Step 6: Final answer
x = 112,989.41
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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.