Finding the Fourth Proportional to 245,713.40, 368,519.70 and 68,175.80
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Solution
The fourth proportional to 245,713.40, 368,519.70 and 68,175.80 is: 102,249.72
Step by Step Solution
- Step 1: Write the proportion equation
245,713.40 : 368,519.70 = 68,175.80 : x - Step 2: Convert to fraction form
245,713.40/368,519.70 = 68,175.80/x - Step 3: Cross multiply
245,713.40x = 368,519.70 × 68,175.80 - Step 4: Simplify right side
245,713.40x = 25,124,125,363.26 - Step 5: Solve for x
x = 25,124,125,363.26/245,713.40 - Step 6: Final answer
x = 102,249.72
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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.