Finding the Fourth Proportional to 541,394.70, 812,201.40 and 186,444.60
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Solution
The fourth proportional to 541,394.70, 812,201.40 and 186,444.60 is: 279,704.56
Step by Step Solution
- Step 1: Write the proportion equation
541,394.70 : 812,201.40 = 186,444.60 : x - Step 2: Convert to fraction form
541,394.70/812,201.40 = 186,444.60/x - Step 3: Cross multiply
541,394.70x = 812,201.40 × 186,444.60 - Step 4: Simplify right side
541,394.70x = 151,430,565,142.44 - Step 5: Solve for x
x = 151,430,565,142.44/541,394.70 - Step 6: Final answer
x = 279,704.56
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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.