Finding the Fourth Proportional to 253,625.62, 349,998.99 and 140,445.94
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Solution
The fourth proportional to 253,625.62, 349,998.99 and 140,445.94 is: 193,812.98
Step by Step Solution
- Step 1: Write the proportion equation
253,625.62 : 349,998.99 = 140,445.94 : x - Step 2: Convert to fraction form
253,625.62/349,998.99 = 140,445.94/x - Step 3: Cross multiply
253,625.62x = 349,998.99 × 140,445.94 - Step 4: Simplify right side
253,625.62x = 49,155,937,149.60 - Step 5: Solve for x
x = 49,155,937,149.60/253,625.62 - Step 6: Final answer
x = 193,812.98
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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.