Finding the Fourth Proportional to 229,893.18, 317,148.39 and 166,129.98
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Solution
The fourth proportional to 229,893.18, 317,148.39 and 166,129.98 is: 229,184.07
Step by Step Solution
- Step 1: Write the proportion equation
229,893.18 : 317,148.39 = 166,129.98 : x - Step 2: Convert to fraction form
229,893.18/317,148.39 = 166,129.98/x - Step 3: Cross multiply
229,893.18x = 317,148.39 × 166,129.98 - Step 4: Simplify right side
229,893.18x = 52,687,855,687.73 - Step 5: Solve for x
x = 52,687,855,687.73/229,893.18 - Step 6: Final answer
x = 229,184.07
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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.