Finding the Fourth Proportional to 207,528.91, 310,589.69 and 127,617.07
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Solution
The fourth proportional to 207,528.91, 310,589.69 and 127,617.07 is: 190,992.89
Step by Step Solution
- Step 1: Write the proportion equation
207,528.91 : 310,589.69 = 127,617.07 : x - Step 2: Convert to fraction form
207,528.91/310,589.69 = 127,617.07/x - Step 3: Cross multiply
207,528.91x = 310,589.69 × 127,617.07 - Step 4: Simplify right side
207,528.91x = 39,636,546,210.01 - Step 5: Solve for x
x = 39,636,546,210.01/207,528.91 - Step 6: Final answer
x = 190,992.89
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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.