Finding the Fourth Proportional to 124,239.54, 186,389.07 and 40,007.62
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Solution
The fourth proportional to 124,239.54, 186,389.07 and 40,007.62 is: 60,021.02
Step by Step Solution
- Step 1: Write the proportion equation
124,239.54 : 186,389.07 = 40,007.62 : x - Step 2: Convert to fraction form
124,239.54/186,389.07 = 40,007.62/x - Step 3: Cross multiply
124,239.54x = 186,389.07 × 40,007.62 - Step 4: Simplify right side
124,239.54x = 7,456,983,505.24 - Step 5: Solve for x
x = 7,456,983,505.24/124,239.54 - Step 6: Final answer
x = 60,021.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.