Finding the Fourth Proportional to 253,550.98, 349,918.14 and 140,381.02
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Solution
The fourth proportional to 253,550.98, 349,918.14 and 140,381.02 is: 193,735.66
Step by Step Solution
- Step 1: Write the proportion equation
253,550.98 : 349,918.14 = 140,381.02 : x - Step 2: Convert to fraction form
253,550.98/349,918.14 = 140,381.02/x - Step 3: Cross multiply
253,550.98x = 349,918.14 × 140,381.02 - Step 4: Simplify right side
253,550.98x = 49,121,865,409.70 - Step 5: Solve for x
x = 49,121,865,409.70/253,550.98 - Step 6: Final answer
x = 193,735.66
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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.