Finding the Fourth Proportional to 209,302.12, 313,953.18 and 59,557.96
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Solution
The fourth proportional to 209,302.12, 313,953.18 and 59,557.96 is: 89,336.94
Step by Step Solution
- Step 1: Write the proportion equation
209,302.12 : 313,953.18 = 59,557.96 : x - Step 2: Convert to fraction form
209,302.12/313,953.18 = 59,557.96/x - Step 3: Cross multiply
209,302.12x = 313,953.18 × 59,557.96 - Step 4: Simplify right side
209,302.12x = 18,698,410,936.31 - Step 5: Solve for x
x = 18,698,410,936.31/209,302.12 - Step 6: Final answer
x = 89,336.94
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1.5x scale
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.