Finding the Fourth Proportional to 372,604.60, 559,052.70 and 135,971.20
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Solution
The fourth proportional to 372,604.60, 559,052.70 and 135,971.20 is: 204,010.01
Step by Step Solution
- Step 1: Write the proportion equation
372,604.60 : 559,052.70 = 135,971.20 : x - Step 2: Convert to fraction form
372,604.60/559,052.70 = 135,971.20/x - Step 3: Cross multiply
372,604.60x = 559,052.70 × 135,971.20 - Step 4: Simplify right side
372,604.60x = 76,015,066,482.24 - Step 5: Solve for x
x = 76,015,066,482.24/372,604.60 - Step 6: Final answer
x = 204,010.01
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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.