Finding the Fourth Proportional to 192,278.61, 265,349.84 and 106,243.14
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Solution
The fourth proportional to 192,278.61, 265,349.84 and 106,243.14 is: 146,618.49
Step by Step Solution
- Step 1: Write the proportion equation
192,278.61 : 265,349.84 = 106,243.14 : x - Step 2: Convert to fraction form
192,278.61/265,349.84 = 106,243.14/x - Step 3: Cross multiply
192,278.61x = 265,349.84 × 106,243.14 - Step 4: Simplify right side
192,278.61x = 28,191,599,668.88 - Step 5: Solve for x
x = 28,191,599,668.88/192,278.61 - Step 6: Final answer
x = 146,618.49
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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.