Finding the Fourth Proportional to 230,644.36, 318,289.26 and 130,042.36
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Solution
The fourth proportional to 230,644.36, 318,289.26 and 130,042.36 is: 179,458.48
Step by Step Solution
- Step 1: Write the proportion equation
230,644.36 : 318,289.26 = 130,042.36 : x - Step 2: Convert to fraction form
230,644.36/318,289.26 = 130,042.36/x - Step 3: Cross multiply
230,644.36x = 318,289.26 × 130,042.36 - Step 4: Simplify right side
230,644.36x = 41,391,086,533.05 - Step 5: Solve for x
x = 41,391,086,533.05/230,644.36 - Step 6: Final answer
x = 179,458.48
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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.