Finding the Fourth Proportional to 173,842.70, 243,729.70 and 173,842.70
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Solution
The fourth proportional to 173,842.70, 243,729.70 and 173,842.70 is: 243,729.70
Step by Step Solution
- Step 1: Write the proportion equation
173,842.70 : 243,729.70 = 173,842.70 : x - Step 2: Convert to fraction form
173,842.70/243,729.70 = 173,842.70/x - Step 3: Cross multiply
173,842.70x = 243,729.70 × 173,842.70 - Step 4: Simplify right side
173,842.70x = 42,370,629,118.19 - Step 5: Solve for x
x = 42,370,629,118.19/173,842.70 - Step 6: Final answer
x = 243,729.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.