Finding the Fourth Proportional to 331,859.84, 497,634.08 and 121,350.56
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Solution
The fourth proportional to 331,859.84, 497,634.08 and 121,350.56 is: 181,968.91
Step by Step Solution
- Step 1: Write the proportion equation
331,859.84 : 497,634.08 = 121,350.56 : x - Step 2: Convert to fraction form
331,859.84/497,634.08 = 121,350.56/x - Step 3: Cross multiply
331,859.84x = 497,634.08 × 121,350.56 - Step 4: Simplify right side
331,859.84x = 60,388,174,283.08 - Step 5: Solve for x
x = 60,388,174,283.08/331,859.84 - Step 6: Final answer
x = 181,968.91
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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.