Finding the Fourth Proportional to 131,859.08, 197,766.76 and 47,603.12
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Solution
The fourth proportional to 131,859.08, 197,766.76 and 47,603.12 is: 71,396.79
Step by Step Solution
- Step 1: Write the proportion equation
131,859.08 : 197,766.76 = 47,603.12 : x - Step 2: Convert to fraction form
131,859.08/197,766.76 = 47,603.12/x - Step 3: Cross multiply
131,859.08x = 197,766.76 × 47,603.12 - Step 4: Simplify right side
131,859.08x = 9,414,314,808.29 - Step 5: Solve for x
x = 9,414,314,808.29/131,859.08 - Step 6: Final answer
x = 71,396.79
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1.5x scale
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.