Finding the Fourth Proportional to 331,960.68, 497,685.78 and 171,864.99
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Solution
The fourth proportional to 331,960.68, 497,685.78 and 171,864.99 is: 257,665.34
Step by Step Solution
- Step 1: Write the proportion equation
331,960.68 : 497,685.78 = 171,864.99 : x - Step 2: Convert to fraction form
331,960.68/497,685.78 = 171,864.99/x - Step 3: Cross multiply
331,960.68x = 497,685.78 × 171,864.99 - Step 4: Simplify right side
331,960.68x = 85,534,761,602.84 - Step 5: Solve for x
x = 85,534,761,602.84/331,960.68 - Step 6: Final answer
x = 257,665.34
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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.