Finding the Fourth Proportional to 239,309.07, 330,248.70 and 131,882.94
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Solution
The fourth proportional to 239,309.07, 330,248.70 and 131,882.94 is: 181,999.66
Step by Step Solution
- Step 1: Write the proportion equation
239,309.07 : 330,248.70 = 131,882.94 : x - Step 2: Convert to fraction form
239,309.07/330,248.70 = 131,882.94/x - Step 3: Cross multiply
239,309.07x = 330,248.70 × 131,882.94 - Step 4: Simplify right side
239,309.07x = 43,554,169,487.18 - Step 5: Solve for x
x = 43,554,169,487.18/239,309.07 - Step 6: Final answer
x = 181,999.66
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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.