Finding the Fourth Proportional to 135,304.23, 202,956.30 and 85,460.07
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Solution
The fourth proportional to 135,304.23, 202,956.30 and 85,460.07 is: 128,190.08
Step by Step Solution
- Step 1: Write the proportion equation
135,304.23 : 202,956.30 = 85,460.07 : x - Step 2: Convert to fraction form
135,304.23/202,956.30 = 85,460.07/x - Step 3: Cross multiply
135,304.23x = 202,956.30 × 85,460.07 - Step 4: Simplify right side
135,304.23x = 17,344,659,604.94 - Step 5: Solve for x
x = 17,344,659,604.94/135,304.23 - Step 6: Final answer
x = 128,190.08
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1.5x scale
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.