Finding the Fourth Proportional to 397,207.60, 595,811.40 and 366,881.20
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Solution
The fourth proportional to 397,207.60, 595,811.40 and 366,881.20 is: 550,321.80
Step by Step Solution
- Step 1: Write the proportion equation
397,207.60 : 595,811.40 = 366,881.20 : x - Step 2: Convert to fraction form
397,207.60/595,811.40 = 366,881.20/x - Step 3: Cross multiply
397,207.60x = 595,811.40 × 366,881.20 - Step 4: Simplify right side
397,207.60x = 218,592,001,405.68 - Step 5: Solve for x
x = 218,592,001,405.68/397,207.60 - Step 6: Final answer
x = 550,321.80
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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.