Finding the Fourth Proportional to 395,301.36, 545,516.08 and 214,013.32
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Solution
The fourth proportional to 395,301.36, 545,516.08 and 214,013.32 is: 295,338.49
Step by Step Solution
- Step 1: Write the proportion equation
395,301.36 : 545,516.08 = 214,013.32 : x - Step 2: Convert to fraction form
395,301.36/545,516.08 = 214,013.32/x - Step 3: Cross multiply
395,301.36x = 545,516.08 × 214,013.32 - Step 4: Simplify right side
395,301.36x = 116,747,707,394.19 - Step 5: Solve for x
x = 116,747,707,394.19/395,301.36 - Step 6: Final answer
x = 295,338.49
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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.