Finding the Fourth Proportional to 207,637.80, 290,889.75 and 207,637.80
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Solution
The fourth proportional to 207,637.80, 290,889.75 and 207,637.80 is: 290,889.75
Step by Step Solution
- Step 1: Write the proportion equation
207,637.80 : 290,889.75 = 207,637.80 : x - Step 2: Convert to fraction form
207,637.80/290,889.75 = 207,637.80/x - Step 3: Cross multiply
207,637.80x = 290,889.75 × 207,637.80 - Step 4: Simplify right side
207,637.80x = 60,399,707,732.55 - Step 5: Solve for x
x = 60,399,707,732.55/207,637.80 - Step 6: Final answer
x = 290,889.75
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.