Finding the Fourth Proportional to 209,561.68, 314,152.98 and 76,410.79
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Solution
The fourth proportional to 209,561.68, 314,152.98 and 76,410.79 is: 114,547.07
Step by Step Solution
- Step 1: Write the proportion equation
209,561.68 : 314,152.98 = 76,410.79 : x - Step 2: Convert to fraction form
209,561.68/314,152.98 = 76,410.79/x - Step 3: Cross multiply
209,561.68x = 314,152.98 × 76,410.79 - Step 4: Simplify right side
209,561.68x = 24,004,677,382.65 - Step 5: Solve for x
x = 24,004,677,382.65/209,561.68 - Step 6: Final answer
x = 114,547.07
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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.