Finding the Fourth Proportional to 163,731.05, 225,874.18 and 118,337.14
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Solution
The fourth proportional to 163,731.05, 225,874.18 and 118,337.14 is: 163,251.27
Step by Step Solution
- Step 1: Write the proportion equation
163,731.05 : 225,874.18 = 118,337.14 : x - Step 2: Convert to fraction form
163,731.05/225,874.18 = 118,337.14/x - Step 3: Cross multiply
163,731.05x = 225,874.18 × 118,337.14 - Step 4: Simplify right side
163,731.05x = 26,729,303,287.94 - Step 5: Solve for x
x = 26,729,303,287.94/163,731.05 - Step 6: Final answer
x = 163,251.27
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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.