Finding the Fourth Proportional to 319,516.14, 440,916.87 and 174,313.28
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Solution
The fourth proportional to 319,516.14, 440,916.87 and 174,313.28 is: 240,543.92
Step by Step Solution
- Step 1: Write the proportion equation
319,516.14 : 440,916.87 = 174,313.28 : x - Step 2: Convert to fraction form
319,516.14/440,916.87 = 174,313.28/x - Step 3: Cross multiply
319,516.14x = 440,916.87 × 174,313.28 - Step 4: Simplify right side
319,516.14x = 76,857,665,817.03 - Step 5: Solve for x
x = 76,857,665,817.03/319,516.14 - Step 6: Final answer
x = 240,543.92
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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.