Finding the Fourth Proportional to 399,666.76, 599,795.79 and 189,305.17
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Solution
The fourth proportional to 399,666.76, 599,795.79 and 189,305.17 is: 284,097.79
Step by Step Solution
- Step 1: Write the proportion equation
399,666.76 : 599,795.79 = 189,305.17 : x - Step 2: Convert to fraction form
399,666.76/599,795.79 = 189,305.17/x - Step 3: Cross multiply
399,666.76x = 599,795.79 × 189,305.17 - Step 4: Simplify right side
399,666.76x = 113,544,443,991.23 - Step 5: Solve for x
x = 113,544,443,991.23/399,666.76 - Step 6: Final answer
x = 284,097.79
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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.