Finding the Fourth Proportional to 189,215.39, 283,956.09 and 171,126.02
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Solution
The fourth proportional to 189,215.39, 283,956.09 and 171,126.02 is: 256,809.32
Step by Step Solution
- Step 1: Write the proportion equation
189,215.39 : 283,956.09 = 171,126.02 : x - Step 2: Convert to fraction form
189,215.39/283,956.09 = 171,126.02/x - Step 3: Cross multiply
189,215.39x = 283,956.09 × 171,126.02 - Step 4: Simplify right side
189,215.39x = 48,592,275,536.46 - Step 5: Solve for x
x = 48,592,275,536.46/189,215.39 - Step 6: Final answer
x = 256,809.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.