Finding the Fourth Proportional to 504,143.36, 695,709.67 and 274,703.70
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Solution
The fourth proportional to 504,143.36, 695,709.67 and 274,703.70 is: 379,086.66
Step by Step Solution
- Step 1: Write the proportion equation
504,143.36 : 695,709.67 = 274,703.70 : x - Step 2: Convert to fraction form
504,143.36/695,709.67 = 274,703.70/x - Step 3: Cross multiply
504,143.36x = 695,709.67 × 274,703.70 - Step 4: Simplify right side
504,143.36x = 191,114,020,474.78 - Step 5: Solve for x
x = 191,114,020,474.78/504,143.36 - Step 6: Final answer
x = 379,086.66
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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.