Finding the Fourth Proportional to 196,197.96, 270,745.02 and 111,319.68
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Solution
The fourth proportional to 196,197.96, 270,745.02 and 111,319.68 is: 153,616.53
Step by Step Solution
- Step 1: Write the proportion equation
196,197.96 : 270,745.02 = 111,319.68 : x - Step 2: Convert to fraction form
196,197.96/270,745.02 = 111,319.68/x - Step 3: Cross multiply
196,197.96x = 270,745.02 × 111,319.68 - Step 4: Simplify right side
196,197.96x = 30,139,248,987.99 - Step 5: Solve for x
x = 30,139,248,987.99/196,197.96 - Step 6: Final answer
x = 153,616.53
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1.5x scale
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.