Finding the Fourth Proportional to 203,501.15, 305,263.66 and 68,553.95
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Solution
The fourth proportional to 203,501.15, 305,263.66 and 68,553.95 is: 102,834.94
Step by Step Solution
- Step 1: Write the proportion equation
203,501.15 : 305,263.66 = 68,553.95 : x - Step 2: Convert to fraction form
203,501.15/305,263.66 = 68,553.95/x - Step 3: Cross multiply
203,501.15x = 305,263.66 × 68,553.95 - Step 4: Simplify right side
203,501.15x = 20,927,028,308.10 - Step 5: Solve for x
x = 20,927,028,308.10/203,501.15 - Step 6: Final answer
x = 102,834.94
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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.