Finding the Fourth Proportional to 506,115.96, 698,440.18 and 276,674.26
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Solution
The fourth proportional to 506,115.96, 698,440.18 and 276,674.26 is: 381,810.56
Step by Step Solution
- Step 1: Write the proportion equation
506,115.96 : 698,440.18 = 276,674.26 : x - Step 2: Convert to fraction form
506,115.96/698,440.18 = 276,674.26/x - Step 3: Cross multiply
506,115.96x = 698,440.18 × 276,674.26 - Step 4: Simplify right side
506,115.96x = 193,240,419,955.77 - Step 5: Solve for x
x = 193,240,419,955.77/506,115.96 - Step 6: Final answer
x = 381,810.56
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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.