Finding the Fourth Proportional to 723,088.80, 1,084,540.56 and 190,651.68
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Solution
The fourth proportional to 723,088.80, 1,084,540.56 and 190,651.68 is: 285,953.09
Step by Step Solution
- Step 1: Write the proportion equation
723,088.80 : 1,084,540.56 = 190,651.68 : x - Step 2: Convert to fraction form
723,088.80/1,084,540.56 = 190,651.68/x - Step 3: Cross multiply
723,088.80x = 1,084,540.56 × 190,651.68 - Step 4: Simplify right side
723,088.80x = 206,769,479,792.14 - Step 5: Solve for x
x = 206,769,479,792.14/723,088.80 - Step 6: Final answer
x = 285,953.09
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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.