Finding the Fourth Proportional to 293,939.15, 440,982.72 and 83,577.08
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Solution
The fourth proportional to 293,939.15, 440,982.72 and 83,577.08 is: 125,386.65
Step by Step Solution
- Step 1: Write the proportion equation
293,939.15 : 440,982.72 = 83,577.08 : x - Step 2: Convert to fraction form
293,939.15/440,982.72 = 83,577.08/x - Step 3: Cross multiply
293,939.15x = 440,982.72 × 83,577.08 - Step 4: Simplify right side
293,939.15x = 36,856,045,863.14 - Step 5: Solve for x
x = 36,856,045,863.14/293,939.15 - Step 6: Final answer
x = 125,386.65
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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.