Finding the Fourth Proportional to 230,616.18, 318,249.81 and 130,013.46
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Solution
The fourth proportional to 230,616.18, 318,249.81 and 130,013.46 is: 179,418.28
Step by Step Solution
- Step 1: Write the proportion equation
230,616.18 : 318,249.81 = 130,013.46 : x - Step 2: Convert to fraction form
230,616.18/318,249.81 = 130,013.46/x - Step 3: Cross multiply
230,616.18x = 318,249.81 × 130,013.46 - Step 4: Simplify right side
230,616.18x = 41,376,758,942.44 - Step 5: Solve for x
x = 41,376,758,942.44/230,616.18 - Step 6: Final answer
x = 179,418.28
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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.