Finding the Fourth Proportional to 242,854.76, 335,163.46 and 147,353.96
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Solution
The fourth proportional to 242,854.76, 335,163.46 and 147,353.96 is: 203,362.96
Step by Step Solution
- Step 1: Write the proportion equation
242,854.76 : 335,163.46 = 147,353.96 : x - Step 2: Convert to fraction form
242,854.76/335,163.46 = 147,353.96/x - Step 3: Cross multiply
242,854.76x = 335,163.46 × 147,353.96 - Step 4: Simplify right side
242,854.76x = 49,387,663,078.30 - Step 5: Solve for x
x = 49,387,663,078.30/242,854.76 - Step 6: Final answer
x = 203,362.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.