Finding the Fourth Proportional to 206,874.81, 310,336.52 and 73,773.99
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Solution
The fourth proportional to 206,874.81, 310,336.52 and 73,773.99 is: 110,669.65
Step by Step Solution
- Step 1: Write the proportion equation
206,874.81 : 310,336.52 = 73,773.99 : x - Step 2: Convert to fraction form
206,874.81/310,336.52 = 73,773.99/x - Step 3: Cross multiply
206,874.81x = 310,336.52 × 73,773.99 - Step 4: Simplify right side
206,874.81x = 22,894,762,954.24 - Step 5: Solve for x
x = 22,894,762,954.24/206,874.81 - Step 6: Final answer
x = 110,669.65
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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.