Finding the Fourth Proportional to 397,516.79, 596,278.73 and 113,207.12
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Solution
The fourth proportional to 397,516.79, 596,278.73 and 113,207.12 is: 169,811.69
Step by Step Solution
- Step 1: Write the proportion equation
397,516.79 : 596,278.73 = 113,207.12 : x - Step 2: Convert to fraction form
397,516.79/596,278.73 = 113,207.12/x - Step 3: Cross multiply
397,516.79x = 596,278.73 × 113,207.12 - Step 4: Simplify right side
397,516.79x = 67,502,997,740.56 - Step 5: Solve for x
x = 67,502,997,740.56/397,516.79 - Step 6: Final answer
x = 169,811.69
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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.