Finding the Fourth Proportional to 253,026.36, 349,176.48 and 139,849.14
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Solution
The fourth proportional to 253,026.36, 349,176.48 and 139,849.14 is: 192,991.87
Step by Step Solution
- Step 1: Write the proportion equation
253,026.36 : 349,176.48 = 139,849.14 : x - Step 2: Convert to fraction form
253,026.36/349,176.48 = 139,849.14/x - Step 3: Cross multiply
253,026.36x = 349,176.48 × 139,849.14 - Step 4: Simplify right side
253,026.36x = 48,832,030,436.23 - Step 5: Solve for x
x = 48,832,030,436.23/253,026.36 - Step 6: Final answer
x = 192,991.87
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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.