Finding the Fourth Proportional to 368,134.20, 552,201.30 and 131,743.80
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Solution
The fourth proportional to 368,134.20, 552,201.30 and 131,743.80 is: 197,615.70
Step by Step Solution
- Step 1: Write the proportion equation
368,134.20 : 552,201.30 = 131,743.80 : x - Step 2: Convert to fraction form
368,134.20/552,201.30 = 131,743.80/x - Step 3: Cross multiply
368,134.20x = 552,201.30 × 131,743.80 - Step 4: Simplify right side
368,134.20x = 72,749,097,626.94 - Step 5: Solve for x
x = 72,749,097,626.94/368,134.20 - Step 6: Final answer
x = 197,615.70
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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.