Finding the Fourth Proportional to 173,863.80, 260,795.70 and 111,655.80
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Solution
The fourth proportional to 173,863.80, 260,795.70 and 111,655.80 is: 167,483.70
Step by Step Solution
- Step 1: Write the proportion equation
173,863.80 : 260,795.70 = 111,655.80 : x - Step 2: Convert to fraction form
173,863.80/260,795.70 = 111,655.80/x - Step 3: Cross multiply
173,863.80x = 260,795.70 × 111,655.80 - Step 4: Simplify right side
173,863.80x = 29,119,352,520.06 - Step 5: Solve for x
x = 29,119,352,520.06/173,863.80 - Step 6: Final answer
x = 167,483.70
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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.