Finding the Fourth Proportional to 196,040.42, 270,493.98 and 115,438.52
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Solution
The fourth proportional to 196,040.42, 270,493.98 and 115,438.52 is: 159,280.54
Step by Step Solution
- Step 1: Write the proportion equation
196,040.42 : 270,493.98 = 115,438.52 : x - Step 2: Convert to fraction form
196,040.42/270,493.98 = 115,438.52/x - Step 3: Cross multiply
196,040.42x = 270,493.98 × 115,438.52 - Step 4: Simplify right side
196,040.42x = 31,225,424,720.11 - Step 5: Solve for x
x = 31,225,424,720.11/196,040.42 - Step 6: Final answer
x = 159,280.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.