Finding the Fourth Proportional to 180,964.39, 271,585.14 and 130,339.09
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Solution
The fourth proportional to 180,964.39, 271,585.14 and 130,339.09 is: 195,608.43
Step by Step Solution
- Step 1: Write the proportion equation
180,964.39 : 271,585.14 = 130,339.09 : x - Step 2: Convert to fraction form
180,964.39/271,585.14 = 130,339.09/x - Step 3: Cross multiply
180,964.39x = 271,585.14 × 130,339.09 - Step 4: Simplify right side
180,964.39x = 35,398,160,005.12 - Step 5: Solve for x
x = 35,398,160,005.12/180,964.39 - Step 6: Final answer
x = 195,608.43
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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.