Finding the Fourth Proportional to 207,278.20, 310,917.30 and 182,783.80
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Solution
The fourth proportional to 207,278.20, 310,917.30 and 182,783.80 is: 274,175.70
Step by Step Solution
- Step 1: Write the proportion equation
207,278.20 : 310,917.30 = 182,783.80 : x - Step 2: Convert to fraction form
207,278.20/310,917.30 = 182,783.80/x - Step 3: Cross multiply
207,278.20x = 310,917.30 × 182,783.80 - Step 4: Simplify right side
207,278.20x = 56,830,645,579.74 - Step 5: Solve for x
x = 56,830,645,579.74/207,278.20 - Step 6: Final answer
x = 274,175.70
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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.