Finding the Fourth Proportional to 230,239.68, 317,743.20 and 129,647.04
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Solution
The fourth proportional to 230,239.68, 317,743.20 and 129,647.04 is: 178,919.92
Step by Step Solution
- Step 1: Write the proportion equation
230,239.68 : 317,743.20 = 129,647.04 : x - Step 2: Convert to fraction form
230,239.68/317,743.20 = 129,647.04/x - Step 3: Cross multiply
230,239.68x = 317,743.20 × 129,647.04 - Step 4: Simplify right side
230,239.68x = 41,194,465,360.13 - Step 5: Solve for x
x = 41,194,465,360.13/230,239.68 - Step 6: Final answer
x = 178,919.92
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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.