Finding the Fourth Proportional to 207,051.80, 310,577.70 and 154,563.80
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Solution
The fourth proportional to 207,051.80, 310,577.70 and 154,563.80 is: 231,845.70
Step by Step Solution
- Step 1: Write the proportion equation
207,051.80 : 310,577.70 = 154,563.80 : x - Step 2: Convert to fraction form
207,051.80/310,577.70 = 154,563.80/x - Step 3: Cross multiply
207,051.80x = 310,577.70 × 154,563.80 - Step 4: Simplify right side
207,051.80x = 48,004,069,507.26 - Step 5: Solve for x
x = 48,004,069,507.26/207,051.80 - Step 6: Final answer
x = 231,845.70
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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.