Finding the Fourth Proportional to 209,321.96, 313,759.26 and 152,259.08
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Solution
The fourth proportional to 209,321.96, 313,759.26 and 152,259.08 is: 228,225.92
Step by Step Solution
- Step 1: Write the proportion equation
209,321.96 : 313,759.26 = 152,259.08 : x - Step 2: Convert to fraction form
209,321.96/313,759.26 = 152,259.08/x - Step 3: Cross multiply
209,321.96x = 313,759.26 × 152,259.08 - Step 4: Simplify right side
209,321.96x = 47,772,696,269.08 - Step 5: Solve for x
x = 47,772,696,269.08/209,321.96 - Step 6: Final answer
x = 228,225.92
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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.