Finding the Fourth Proportional to 315,335.96, 472,722.66 and 115,609.70
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Solution
The fourth proportional to 315,335.96, 472,722.66 and 115,609.70 is: 173,311.43
Step by Step Solution
- Step 1: Write the proportion equation
315,335.96 : 472,722.66 = 115,609.70 : x - Step 2: Convert to fraction form
315,335.96/472,722.66 = 115,609.70/x - Step 3: Cross multiply
315,335.96x = 472,722.66 × 115,609.70 - Step 4: Simplify right side
315,335.96x = 54,651,324,905.80 - Step 5: Solve for x
x = 54,651,324,905.80/315,335.96 - Step 6: Final answer
x = 173,311.43
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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.