Finding the Fourth Proportional to 239,151.24, 330,029.10 and 131,721.48
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Solution
The fourth proportional to 239,151.24, 330,029.10 and 131,721.48 is: 181,775.86
Step by Step Solution
- Step 1: Write the proportion equation
239,151.24 : 330,029.10 = 131,721.48 : x - Step 2: Convert to fraction form
239,151.24/330,029.10 = 131,721.48/x - Step 3: Cross multiply
239,151.24x = 330,029.10 × 131,721.48 - Step 4: Simplify right side
239,151.24x = 43,471,921,495.07 - Step 5: Solve for x
x = 43,471,921,495.07/239,151.24 - Step 6: Final answer
x = 181,775.86
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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.