Finding the Fourth Proportional to 189,034.12, 260,995.26 and 132,347.08
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Solution
The fourth proportional to 189,034.12, 260,995.26 and 132,347.08 is: 182,728.71
Step by Step Solution
- Step 1: Write the proportion equation
189,034.12 : 260,995.26 = 132,347.08 : x - Step 2: Convert to fraction form
189,034.12/260,995.26 = 132,347.08/x - Step 3: Cross multiply
189,034.12x = 260,995.26 × 132,347.08 - Step 4: Simplify right side
189,034.12x = 34,541,960,554.84 - Step 5: Solve for x
x = 34,541,960,554.84/189,034.12 - Step 6: Final answer
x = 182,728.71
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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.