Finding the Fourth Proportional to 147,679.92, 221,388.12 and 54,163.92
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Solution
The fourth proportional to 147,679.92, 221,388.12 and 54,163.92 is: 81,197.55
Step by Step Solution
- Step 1: Write the proportion equation
147,679.92 : 221,388.12 = 54,163.92 : x - Step 2: Convert to fraction form
147,679.92/221,388.12 = 54,163.92/x - Step 3: Cross multiply
147,679.92x = 221,388.12 × 54,163.92 - Step 4: Simplify right side
147,679.92x = 11,991,248,420.63 - Step 5: Solve for x
x = 11,991,248,420.63/147,679.92 - Step 6: Final answer
x = 81,197.55
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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.