Finding the Fourth Proportional to 192,053.62, 265,042.47 and 107,171.02
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Solution
The fourth proportional to 192,053.62, 265,042.47 and 107,171.02 is: 147,900.74
Step by Step Solution
- Step 1: Write the proportion equation
192,053.62 : 265,042.47 = 107,171.02 : x - Step 2: Convert to fraction form
192,053.62/265,042.47 = 107,171.02/x - Step 3: Cross multiply
192,053.62x = 265,042.47 × 107,171.02 - Step 4: Simplify right side
192,053.62x = 28,404,871,853.22 - Step 5: Solve for x
x = 28,404,871,853.22/192,053.62 - Step 6: Final answer
x = 147,900.74
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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.