Finding the Fourth Proportional to 259,939.08, 358,716.06 and 140,707.08
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Solution
The fourth proportional to 259,939.08, 358,716.06 and 140,707.08 is: 194,175.84
Step by Step Solution
- Step 1: Write the proportion equation
259,939.08 : 358,716.06 = 140,707.08 : x - Step 2: Convert to fraction form
259,939.08/358,716.06 = 140,707.08/x - Step 3: Cross multiply
259,939.08x = 358,716.06 × 140,707.08 - Step 4: Simplify right side
259,939.08x = 50,473,889,351.70 - Step 5: Solve for x
x = 50,473,889,351.70/259,939.08 - Step 6: Final answer
x = 194,175.84
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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.