Finding the Fourth Proportional to 239,130.09, 329,995.53 and 131,710.14
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Solution
The fourth proportional to 239,130.09, 329,995.53 and 131,710.14 is: 181,757.79
Step by Step Solution
- Step 1: Write the proportion equation
239,130.09 : 329,995.53 = 131,710.14 : x - Step 2: Convert to fraction form
239,130.09/329,995.53 = 131,710.14/x - Step 3: Cross multiply
239,130.09x = 329,995.53 × 131,710.14 - Step 4: Simplify right side
239,130.09x = 43,463,757,455.67 - Step 5: Solve for x
x = 43,463,757,455.67/239,130.09 - Step 6: Final answer
x = 181,757.79
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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.