Finding the Fourth Proportional to 206,329.08, 309,540.06 and 73,209.09
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Solution
The fourth proportional to 206,329.08, 309,540.06 and 73,209.09 is: 109,830.11
Step by Step Solution
- Step 1: Write the proportion equation
206,329.08 : 309,540.06 = 73,209.09 : x - Step 2: Convert to fraction form
206,329.08/309,540.06 = 73,209.09/x - Step 3: Cross multiply
206,329.08x = 309,540.06 × 73,209.09 - Step 4: Simplify right side
206,329.08x = 22,661,146,111.15 - Step 5: Solve for x
x = 22,661,146,111.15/206,329.08 - Step 6: Final answer
x = 109,830.11
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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.