Finding the Fourth Proportional to 208,210.91, 312,269.58 and 95,783.09
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Solution
The fourth proportional to 208,210.91, 312,269.58 and 95,783.09 is: 143,653.11
Step by Step Solution
- Step 1: Write the proportion equation
208,210.91 : 312,269.58 = 95,783.09 : x - Step 2: Convert to fraction form
208,210.91/312,269.58 = 95,783.09/x - Step 3: Cross multiply
208,210.91x = 312,269.58 × 95,783.09 - Step 4: Simplify right side
208,210.91x = 29,910,143,724.05 - Step 5: Solve for x
x = 29,910,143,724.05/208,210.91 - Step 6: Final answer
x = 143,653.11
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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.