Finding the Fourth Proportional to 229,901.68, 317,160.12 and 166,138.48
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Solution
The fourth proportional to 229,901.68, 317,160.12 and 166,138.48 is: 229,195.80
Step by Step Solution
- Step 1: Write the proportion equation
229,901.68 : 317,160.12 = 166,138.48 : x - Step 2: Convert to fraction form
229,901.68/317,160.12 = 166,138.48/x - Step 3: Cross multiply
229,901.68x = 317,160.12 × 166,138.48 - Step 4: Simplify right side
229,901.68x = 52,692,500,253.42 - Step 5: Solve for x
x = 52,692,500,253.42/229,901.68 - Step 6: Final answer
x = 229,195.80
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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.