Finding the Fourth Proportional to 245,654.82, 367,891.70 and 140,153.94
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Solution
The fourth proportional to 245,654.82, 367,891.70 and 140,153.94 is: 209,893.99
Step by Step Solution
- Step 1: Write the proportion equation
245,654.82 : 367,891.70 = 140,153.94 : x - Step 2: Convert to fraction form
245,654.82/367,891.70 = 140,153.94/x - Step 3: Cross multiply
245,654.82x = 367,891.70 × 140,153.94 - Step 4: Simplify right side
245,654.82x = 51,561,470,547.53 - Step 5: Solve for x
x = 51,561,470,547.53/245,654.82 - Step 6: Final answer
x = 209,893.99
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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.