Finding the Fourth Proportional to 639,552.62, 959,161.80 and 190,152.48
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Solution
The fourth proportional to 639,552.62, 959,161.80 and 190,152.48 is: 285,179.03
Step by Step Solution
- Step 1: Write the proportion equation
639,552.62 : 959,161.80 = 190,152.48 : x - Step 2: Convert to fraction form
639,552.62/959,161.80 = 190,152.48/x - Step 3: Cross multiply
639,552.62x = 959,161.80 × 190,152.48 - Step 4: Simplify right side
639,552.62x = 182,386,994,991.26 - Step 5: Solve for x
x = 182,386,994,991.26/639,552.62 - Step 6: Final answer
x = 285,179.03
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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.