Finding the Fourth Proportional to 192,610.14, 265,802.70 and 107,721.78
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Solution
The fourth proportional to 192,610.14, 265,802.70 and 107,721.78 is: 148,656.45
Step by Step Solution
- Step 1: Write the proportion equation
192,610.14 : 265,802.70 = 107,721.78 : x - Step 2: Convert to fraction form
192,610.14/265,802.70 = 107,721.78/x - Step 3: Cross multiply
192,610.14x = 265,802.70 × 107,721.78 - Step 4: Simplify right side
192,610.14x = 28,632,739,972.81 - Step 5: Solve for x
x = 28,632,739,972.81/192,610.14 - Step 6: Final answer
x = 148,656.45
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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.