Finding the Fourth Proportional to 239,199.09, 330,094.76 and 131,769.06
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Solution
The fourth proportional to 239,199.09, 330,094.76 and 131,769.06 is: 181,841.31
Step by Step Solution
- Step 1: Write the proportion equation
239,199.09 : 330,094.76 = 131,769.06 : x - Step 2: Convert to fraction form
239,199.09/330,094.76 = 131,769.06/x - Step 3: Cross multiply
239,199.09x = 330,094.76 × 131,769.06 - Step 4: Simplify right side
239,199.09x = 43,496,275,577.28 - Step 5: Solve for x
x = 43,496,275,577.28/239,199.09 - Step 6: Final answer
x = 181,841.31
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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.