Finding the Fourth Proportional to 168,684.53, 252,822.20 and 123,895.99
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Solution
The fourth proportional to 168,684.53, 252,822.20 and 123,895.99 is: 185,693.70
Step by Step Solution
- Step 1: Write the proportion equation
168,684.53 : 252,822.20 = 123,895.99 : x - Step 2: Convert to fraction form
168,684.53/252,822.20 = 123,895.99/x - Step 3: Cross multiply
168,684.53x = 252,822.20 × 123,895.99 - Step 4: Simplify right side
168,684.53x = 31,323,655,511.44 - Step 5: Solve for x
x = 31,323,655,511.44/168,684.53 - Step 6: Final answer
x = 185,693.70
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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.