Finding the Fourth Proportional to 161,351.92, 242,067.12 and 56,171.44
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Solution
The fourth proportional to 161,351.92, 242,067.12 and 56,171.44 is: 84,270.82
Step by Step Solution
- Step 1: Write the proportion equation
161,351.92 : 242,067.12 = 56,171.44 : x - Step 2: Convert to fraction form
161,351.92/242,067.12 = 56,171.44/x - Step 3: Cross multiply
161,351.92x = 242,067.12 × 56,171.44 - Step 4: Simplify right side
161,351.92x = 13,597,258,707.05 - Step 5: Solve for x
x = 13,597,258,707.05/161,351.92 - Step 6: Final answer
x = 84,270.82
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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.