Finding the Fourth Proportional to 192,431.05, 265,554.18 and 107,548.11
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Solution
The fourth proportional to 192,431.05, 265,554.18 and 107,548.11 is: 148,416.02
Step by Step Solution
- Step 1: Write the proportion equation
192,431.05 : 265,554.18 = 107,548.11 : x - Step 2: Convert to fraction form
192,431.05/265,554.18 = 107,548.11/x - Step 3: Cross multiply
192,431.05x = 265,554.18 × 107,548.11 - Step 4: Simplify right side
192,431.05x = 28,559,849,959.95 - Step 5: Solve for x
x = 28,559,849,959.95/192,431.05 - Step 6: Final answer
x = 148,416.02
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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.