Finding the Fourth Proportional to 253,950.15, 381,004.20 and 104,202.62
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Solution
The fourth proportional to 253,950.15, 381,004.20 and 104,202.62 is: 156,336.33
Step by Step Solution
- Step 1: Write the proportion equation
253,950.15 : 381,004.20 = 104,202.62 : x - Step 2: Convert to fraction form
253,950.15/381,004.20 = 104,202.62/x - Step 3: Cross multiply
253,950.15x = 381,004.20 × 104,202.62 - Step 4: Simplify right side
253,950.15x = 39,701,633,965.98 - Step 5: Solve for x
x = 39,701,633,965.98/253,950.15 - Step 6: Final answer
x = 156,336.33
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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.