Finding the Fourth Proportional to 504,913.67, 757,286.12 and 167,989.92
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Solution
The fourth proportional to 504,913.67, 757,286.12 and 167,989.92 is: 251,956.81
Step by Step Solution
- Step 1: Write the proportion equation
504,913.67 : 757,286.12 = 167,989.92 : x - Step 2: Convert to fraction form
504,913.67/757,286.12 = 167,989.92/x - Step 3: Cross multiply
504,913.67x = 757,286.12 × 167,989.92 - Step 4: Simplify right side
504,913.67x = 127,216,433,875.96 - Step 5: Solve for x
x = 127,216,433,875.96/504,913.67 - Step 6: Final answer
x = 251,956.81
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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.