Finding the Fourth Proportional to 209,316.08, 313,750.50 and 96,865.40
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Solution
The fourth proportional to 209,316.08, 313,750.50 and 96,865.40 is: 145,194.62
Step by Step Solution
- Step 1: Write the proportion equation
209,316.08 : 313,750.50 = 96,865.40 : x - Step 2: Convert to fraction form
209,316.08/313,750.50 = 96,865.40/x - Step 3: Cross multiply
209,316.08x = 313,750.50 × 96,865.40 - Step 4: Simplify right side
209,316.08x = 30,391,567,682.70 - Step 5: Solve for x
x = 30,391,567,682.70/209,316.08 - Step 6: Final answer
x = 145,194.62
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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.